toolchain/binutils: exclude .rej files when unpacking the tarball

Signed-off-by: Felix Fietkau <nbd@nbd.name>

toolchain/binutils/Makefile

@@ -13,6 +13,8 @@ BIN_VERSION:=$(PKG_VERSION)
 PKG_SOURCE_URL:=@GNU/binutils/
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 
+TAR_OPTIONS += --exclude='*.rej'
+
 ifeq ($(PKG_VERSION),2.27)
   PKG_HASH:=369737ce51587f92466041a97ab7d2358c6d9e1b6490b3940eb09fb0a9a6ac88
 endif