arm: Remove additional config flags

These options are just duplicated from arch/arm/cpu/armv7/config.mk

Signed-off-by: Michal Simek <monstr@monstr.eu>

arch/arm/cpu/armv7/highbank/config.mk

-PLATFORM_CPPFLAGS += -march=armv7-a

arch/arm/cpu/armv7/omap-common/config.mk

@@ -20,15 +20,6 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
 
 # Make ARMv5 to allow more compilers to work, even though its v7a.
 PLATFORM_CPPFLAGS += -march=armv5
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\
-			$(call cc-option,-malignment-traps,))
-PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)