gcc: workaround no longer required

toolchain/gcc/Makefile

@@ -21,12 +21,6 @@ TARGET_CFLAGS:=		$(filter-out -msep-data,$(TARGET_CFLAGS))
 TARGET_CXXFLAGS:=	$(filter-out -msep-data,$(TARGET_CXXFLAGS))
 endif
 
-# for ARM, we need to filter out some flags
-ifeq ($(ADK_TARGET_ARCH_ARM),y)
-TARGET_CFLAGS:=		$(filter-out -mcpu=cortex-a9,$(TARGET_CFLAGS))
-TARGET_CXXFLAGS:=	$(filter-out -mcpu=cortex-a9,$(TARGET_CXXFLAGS))
-endif
-
 ifeq ($(ADK_TARGET_USE_STATIC_AND_SHARED_LIBS),y)
 TARGET_CFLAGS:=		$(filter-out -static,$(TARGET_CFLAGS))
 TARGET_CXXFLAGS:=	$(filter-out -static,$(TARGET_CXXFLAGS))