binutils: remove support for external source toolchains

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

toolchain/binutils/binutils.mk

@@ -48,21 +48,15 @@ BINUTILS_TARGET_CONFIG_OPTIONS=--with-gmp="$(GMP_TARGET_DIR)"
 BINUTILS_TARGET_CONFIG_OPTIONS+=--with-mpfr="$(MPFR_TARGET_DIR)"
 endif
 
-BINUTILS_OFFICIAL_VERSION:=$(BINUTILS_VERSION)$(VENDOR_SUFFIX)$(VENDOR_BINUTILS_RELEASE)
-ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
 BINUTILS_PATCH_DIR:=toolchain/binutils/$(BINUTILS_VERSION)
-else # ifeq ($(BR2_TOOLCHAIN_EXTERNAL_SOURCE),)
-BINUTILS_SITE:=$(VENDOR_SITE)
-BINUTILS_PATCH_DIR:=toolchain/binutils/ext_source/$(VENDOR_PATCH_DIR)/$(BINUTILS_OFFICIAL_VERSION)
-endif
 
 ifneq ($(filter xtensa%,$(ARCH)),)
 include target/xtensa/patch.in
 BINUTILS_PATCH_EXTRA:=$(call XTENSA_PATCH,binutils,$(BINUTILS_PATCH_DIR),. ..)
 endif
 
-BINUTILS_SOURCE:=binutils-$(BINUTILS_OFFICIAL_VERSION).tar.bz2
-BINUTILS_DIR:=$(TOOLCHAIN_DIR)/binutils-$(BINUTILS_OFFICIAL_VERSION)
+BINUTILS_SOURCE:=binutils-$(BINUTILS_VERSION).tar.bz2
+BINUTILS_DIR:=$(TOOLCHAIN_DIR)/binutils-$(BINUTILS_VERSION)
 BINUTILS_CAT:=$(BZCAT)
 
 BINUTILS_DIR1:=$(TOOLCHAIN_DIR)/binutils-$(BINUTILS_VERSION)-build