arm: Remove -fno-strict-aliasing

-fno-strict-aliasing is hidding warnings.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/lh7a40x/config.mk b/cpu/lh7a40x/config.mk
index 27bc481..47b2b7b 100644
--- a/cpu/lh7a40x/config.mk
+++ b/cpu/lh7a40x/config.mk
@@ -21,8 +21,7 @@
 # MA 02111-1307 USA
 #
 
-PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
-	-msoft-float
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
 
 PLATFORM_CPPFLAGS += -march=armv4
 # =========================================================================