Update buidlroot to version 2016.08.1

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