ril: fix $(filter ...) derp

Change-Id: Ic2be936268701bd5f40056e5993ef35f5bd3969d
diff --git a/ril/libril/Android.mk b/ril/libril/Android.mk
index ad64029..c31b382 100644
--- a/ril/libril/Android.mk
+++ b/ril/libril/Android.mk
@@ -34,7 +34,7 @@
 ifeq ($(BOARD_MODEM_TYPE),m7450)
 LOCAL_CFLAGS := -DMODEM_TYPE_M7450
 endif
-ifeq ($(filter ss333 mdm9x35,$(BOARD_MODEM_TYPE)),)
+ifneq ($(filter ss333 mdm9x35,$(BOARD_MODEM_TYPE)),)
 LOCAL_CFLAGS := -DSAMSUNG_NEXT_GEN_MODEM
 endif