toolchain: binutils: enhance build reproducability

built toolchain utilities will always operate in deterministic mode:
https://sourceware.org/binutils/docs-2.25/binutils/ar-cmdline.html

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

SVN-Revision: 46137

toolchain/binutils/Makefile

@@ -32,6 +32,7 @@ BINUTILS_CONFIGURE:= \
 		--host=$(GNU_HOST_NAME) \
 		--target=$(REAL_GNU_TARGET_NAME) \
 		--with-sysroot=$(TOOLCHAIN_DIR) \
+		--enable-deterministic-archives \
 		--enable-plugins \
 		--disable-multilib \
 		--disable-werror \