Update buidlroot to version 2016.08.1

bsp/buildroot/arch/Config.in

@@ -94,8 +94,7 @@ config BR2_i386
 
 config BR2_m68k
 	bool "m68k"
-	select BR2_ARCH_HAS_MMU_MANDATORY
-	depends on BROKEN # ice in uclibc / inet_ntoa_r
+	# MMU support is set by the subarchitecture file, arch/Config.in.m68k
 	help
 	  Motorola 68000 family microprocessor
 	  http://en.wikipedia.org/wiki/M68k
@@ -337,12 +336,19 @@ config BR2_BINFMT_FLAT_ONE
 
 config BR2_BINFMT_FLAT_SEP_DATA
 	bool "Separate data and code region"
+	# this FLAT binary type technically exists on m68k, but fails
+	# to build numerous packages: due to architecture limitation,
+	# big functions cannot be built in this mode. They cause build
+	# failures such as "Tried to convert PC relative branch to
+	# absolute jump" or "error: value -yyyyy out of range".
+	depends on BR2_bfin
 	help
 	  Allow for the data and text segments to be separated and placed in
 	  different regions of memory.
 
 config BR2_BINFMT_FLAT_SHARED
 	bool "Shared binary"
+	depends on BR2_m68k || BR2_bfin
 	# Even though this really generates shared binaries, there is no libdl
 	# and dlopen() cannot be used. So packages that require shared
 	# libraries cannot be built. Therefore, we don't select

bsp/buildroot/arch/Config.in.arm

@@ -52,6 +52,9 @@ config BR2_ARM_CPU_ARMV6
 config BR2_ARM_CPU_ARMV7A
 	bool
 
+config BR2_ARM_CPU_ARMV7M
+	bool
+
 choice
 	prompt "Target Architecture Variant"
 	depends on BR2_arm || BR2_armeb
@@ -159,10 +162,22 @@ config BR2_cortex_a15
 	select BR2_ARM_CPU_HAS_THUMB2
 	select BR2_ARM_CPU_ARMV7A
 	select BR2_ARCH_HAS_MMU_OPTIONAL
+config BR2_cortex_a17
+	bool "cortex-A17"
+	select BR2_ARM_CPU_HAS_ARM
+	select BR2_ARM_CPU_HAS_NEON
+	select BR2_ARM_CPU_HAS_VFPV4
+	select BR2_ARM_CPU_HAS_THUMB2
+	select BR2_ARM_CPU_ARMV7A
+	select BR2_ARCH_HAS_MMU_OPTIONAL
 config BR2_cortex_m3
 	bool "cortex-M3"
-	select BR2_ARM_CPU_HAS_THUMB
 	select BR2_ARM_CPU_HAS_THUMB2
+	select BR2_ARM_CPU_ARMV7M
+config BR2_cortex_m4
+	bool "cortex-M4"
+	select BR2_ARM_CPU_HAS_THUMB2
+	select BR2_ARM_CPU_ARMV7M
 config BR2_fa526
 	bool "fa526/626"
 	select BR2_ARM_CPU_HAS_ARM
@@ -442,7 +457,9 @@ config BR2_GCC_TARGET_CPU
 	default "cortex-a9"	if BR2_cortex_a9
 	default "cortex-a12"	if BR2_cortex_a12
 	default "cortex-a15"	if BR2_cortex_a15
+	default "cortex-a17"	if BR2_cortex_a17
 	default "cortex-m3"	if BR2_cortex_m3
+	default "cortex-m4"	if BR2_cortex_m4
 	default "fa526"		if BR2_fa526
 	default "marvell-pj4"	if BR2_pj4
 	default "strongarm"	if BR2_strongarm

bsp/buildroot/arch/Config.in.bfin

@@ -1,7 +1,7 @@
 choice
 	prompt "Target CPU"
 	depends on BR2_bfin
-	default BR2_bf609
+	default BR2_bf532
 	help
 	  Specify target CPU
 config BR2_bf606

bsp/buildroot/arch/Config.in.m68k

@@ -4,10 +4,34 @@ config BR2_ARCH
 config BR2_ENDIAN
 	default "BIG"
 
-config BR2_GCC_TARGET_ARCH
-	default "68000"		if BR2_m68k_68000
-	default "68010"		if BR2_m68k_68010
-	default "68020"		if BR2_m68k_68020
-	default "68030"		if BR2_m68k_68030
+# symbols used to distinguish between m68k and coldfire
+# for gcc multilib
+config BR2_m68k_m68k
+	bool
+
+config BR2_m68k_cf
+	bool
+
+# coldfire variants will be added later
+choice
+	prompt "Target CPU"
+	depends on BR2_m68k
+	default BR2_m68k_68040
+	help
+	  Specific CPU variant to use
+
+config BR2_m68k_68040
+	bool "68040"
+	select BR2_m68k_m68k
+	select BR2_ARCH_HAS_MMU_MANDATORY
+
+config BR2_m68k_cf5208
+	bool "5208"
+	select BR2_m68k_cf
+	select BR2_SOFT_FLOAT
+
+endchoice
+
+config BR2_GCC_TARGET_CPU
 	default "68040"		if BR2_m68k_68040
-	default "68060"		if BR2_m68k_68060
+	default "5208"		if BR2_m68k_cf5208

bsp/buildroot/arch/Config.in.x86

@@ -25,9 +25,6 @@ choice
 	help
 	  Specific CPU variant to use
 
-config BR2_x86_i386
-	bool "i386"
-	depends on !BR2_x86_64
 config BR2_x86_i486
 	bool "i486"
 	depends on !BR2_x86_64
@@ -210,7 +207,6 @@ config BR2_x86_winchip2
 endchoice
 
 config BR2_ARCH
-	default "i386"		if BR2_x86_i386
 	default "i486"		if BR2_x86_i486
 	default "i586"		if BR2_x86_i586
 	default "i586"		if BR2_x86_x1000
@@ -230,6 +226,8 @@ config BR2_ARCH
 	default "i686"		if BR2_x86_nocona && BR2_i386
 	default "i686"		if BR2_x86_core2 && BR2_i386
 	default "i686"		if BR2_x86_corei7 && BR2_i386
+	default "i686"		if BR2_x86_corei7_avx && BR2_i386
+	default "i686"		if BR2_x86_corei7_avx2 && BR2_i386
 	default "i686"		if BR2_x86_atom && BR2_i386
 	default "i686"		if BR2_x86_opteron && BR2_i386
 	default "i686"		if BR2_x86_opteron_sse3 && BR2_i386
@@ -246,7 +244,6 @@ config BR2_ENDIAN
 	default "LITTLE"
 
 config BR2_GCC_TARGET_ARCH
-	default "i386"		if BR2_x86_i386
 	default "i486"		if BR2_x86_i486
 	default "i586"		if BR2_x86_i586
 	default "i586"		if BR2_x86_x1000