arm: Remove -fno-strict-aliasing

-fno-strict-aliasing is hidding warnings.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/arm926ejs/config.mk b/cpu/arm926ejs/config.mk
index 90eb3c0..f8ef90f 100644
--- a/cpu/arm926ejs/config.mk
+++ b/cpu/arm926ejs/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=armv5te
 # =========================================================================
diff --git a/cpu/arm926ejs/davinci/config.mk b/cpu/arm926ejs/davinci/config.mk
index 7757be3..565adda 100644
--- a/cpu/arm926ejs/davinci/config.mk
+++ b/cpu/arm926ejs/davinci/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=armv5te
 # =========================================================================