Remove redundant armv4 flag from arm926ejs compile flags

Currently the arm926ejs tree has the armv4 option set during compilation.
This flag does not belong here because a arm926 CPU is always a armv5 CPU.

Signed-off-by: Remy Bohmer <linux@bohmer.net>

cpu/arm926ejs/at91/config.mk

@@ -1,3 +1,2 @@
-PLATFORM_CPPFLAGS += -march=armv5te
 PLATFORM_CPPFLAGS += $(call cc-option,-mtune=arm926ejs,)
 LDSCRIPT := $(SRCTREE)/cpu/arm926ejs/at91/u-boot.lds

cpu/arm926ejs/config.mk

@@ -24,7 +24,7 @@
 PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
 	-msoft-float
 
-PLATFORM_CPPFLAGS += -march=armv4
+PLATFORM_CPPFLAGS += -march=armv5te
 # =========================================================================
 #
 # Supply options according to compiler version