[qca-nss-sfe] Fix Makefile

Change-Id: I3b10a4ba38a220fd9621989e051083024532566a
Signed-off-by: Ratheesh Kannoth <quic_rkannoth@quicinc.com>
diff --git a/Makefile b/Makefile
index f026073..a685a65 100644
--- a/Makefile
+++ b/Makefile
@@ -23,4 +23,4 @@
 ccflags-y += -DSFE_SUPPORT_IPV6
 endif
 
-cflags-y += -Werror -Wall -Iexports/
+ccflags-y += -Werror -Wall -Iexports/