Require -Wall -Werror for everything.

BUG=none
TEST=none

Change-Id: Ib9781238274285f73d00d8fca4ecda28fc2c6678
Reviewed-on: https://gerrit.chromium.org/gerrit/21748
Commit-Ready: Bill Richardson <wfrichar@chromium.org>
Tested-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
diff --git a/Makefile b/Makefile
index 78840b7..b6b44ec 100644
--- a/Makefile
+++ b/Makefile
@@ -58,7 +58,7 @@
 endif
 
 ifeq ($(FIRMWARE_ARCH),)
-CFLAGS += -DCHROMEOS_ENVIRONMENT
+CFLAGS += -DCHROMEOS_ENVIRONMENT -Wall -Werror
 endif
 
 ifneq (${DEBUG},)
@@ -106,7 +106,7 @@
 	done
 
 libcgpt_cc:
-	mkdir -p ${BUILD}/cgpt ${BUILD}/firmware/lib/cgptlib ${BUILD}/firmware/stub 
+	mkdir -p ${BUILD}/cgpt ${BUILD}/firmware/lib/cgptlib ${BUILD}/firmware/stub
 	$(MAKE) -C cgpt libcgpt_cc
 
 cgptmanager_tests: libcgpt_cc