arm: Remove -fno-strict-aliasing

-fno-strict-aliasing is hidding warnings.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/arm1176/s3c64xx/config.mk b/cpu/arm1176/s3c64xx/config.mk
index a31c7b0..14346cf 100644
--- a/cpu/arm1176/s3c64xx/config.mk
+++ b/cpu/arm1176/s3c64xx/config.mk
@@ -20,8 +20,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
-	-msoft-float
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
 
 # Make ARMv5 to allow more compilers to work, even though its v6.
 PLATFORM_CPPFLAGS += -march=armv5t