gcc: gcc 4.9.x disable libsanitize

gcc 4.9.x enables building of libsanitize

- libsanitize needs some headers that are not available
  in uclibc (netrom/netrom.h)

according to buildroot project:
- build fail with musl
- need wordexp with uclibc which increases uclibc size
http://git.buildroot.net/buildroot/commit/?id=5f4d658d888b539de9a6247ae5b1a0999de5d4ec
http://git.buildroot.net/buildroot/commit/?id=554e29e267e6b36a0fd78c82cbad2c82d939eb7f

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42767 3c298f89-4303-0410-b956-a3cf2f4a3e73

toolchain/gcc/final/Makefile

@@ -4,6 +4,7 @@ include ../common.mk
 
 GCC_CONFIGURE += \
 	--with-headers=$(TOOLCHAIN_DIR)/include \
+	--disable-libsanitizer \
 	--enable-languages=$(TARGET_LANGUAGES) \
 	--enable-shared \
 	--enable-threads \

toolchain/gcc/minimal/Makefile

@@ -6,6 +6,7 @@ GCC_CONFIGURE += \
 	--with-newlib \
 	--without-headers \
 	--enable-languages=c \
+	--disable-libsanitizer \
 	--disable-libssp \
 	--disable-shared \
 	--disable-threads