Bump buidlroot version to 2018.02.6

bsp/buildroot/package/gcc/7.3.0/0810-arm-softfloat-libgcc.patch

@@ -0,0 +1,45 @@
+From 420a304ac0daa29d66da6ed5b0b49fc4c482d522 Mon Sep 17 00:00:00 2001
+From: Romain Naour <romain.naour@gmail.com>
+Date: Tue, 2 May 2017 22:46:18 +0200
+Subject: [PATCH] arm softfloat libgcc
+
+[Romain: convert to git patch]
+Signed-off-by: Romain Naour <romain.naour@gmail.com>
+---
+ gcc/config/arm/linux-elf.h | 2 +-
+ libgcc/config/arm/t-linux  | 7 ++++++-
+ 2 files changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h
+index 3d62367..dad0b97 100644
+--- a/gcc/config/arm/linux-elf.h
++++ b/gcc/config/arm/linux-elf.h
+@@ -58,7 +58,7 @@
+    %{shared:-lc} \
+    %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
+ 
+-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc"
++#define LIBGCC_SPEC "-lgcc"
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+ 
+diff --git a/libgcc/config/arm/t-linux b/libgcc/config/arm/t-linux
+index 3d520de..e7bc042 100644
+--- a/libgcc/config/arm/t-linux
++++ b/libgcc/config/arm/t-linux
+@@ -1,6 +1,11 @@
+ LIB1ASMSRC = arm/lib1funcs.S
+ LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
+-	_ctzsi2 _arm_addsubdf3 _arm_addsubsf3
++	_ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \
++	_arm_addsubdf3 _arm_addsubsf3 \
++	_arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
++	_arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \
++	_arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \
++	_arm_fixsfsi _arm_fixunssfsi
+ 
+ # Just for these, we omit the frame pointer since it makes such a big
+ # difference.
+-- 
+2.9.3
+