Use gold linker on x86

Patch removes fallback -fuse-ld=bfd for x86 target and
--copy-dt-needed-entries which is not supported by gold linker.

Change-Id: Ie5603f98e3f2f9d4f81678c718e39b130a75d057
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>

core/combo/TARGET_linux-x86.mk

@@ -186,14 +186,11 @@ $(hide) $(PRIVATE_CXX) \
 endef
 
 
-# Add -fuse-ld=bfd because ld.gold doesn't support "--copy-dt-needed-entries".
 define transform-o-to-executable-inner
 $(hide) $(PRIVATE_CXX) \
 	$(TARGET_GLOBAL_LDFLAGS) \
 	-nostdlib -Bdynamic \
 	-Wl,-dynamic-linker,/system/bin/linker \
-	-Wl,--copy-dt-needed-entries \
-	-fuse-ld=bfd \
 	-Wl,-z,nocopyreloc \
 	-fPIE -pie \
 	-o $@ \