Add the new NanumGothic makefile to the build

There are separate CLs to add the NanumGothic font files
and makefiles.

Bug: 4531601
Change-Id: Id27f9ff6eb45f666f7f62f1dbe7a06c96c0a717e
diff --git a/target/product/generic_no_telephony.mk b/target/product/generic_no_telephony.mk
index 5d6d873..f139cbd 100644
--- a/target/product/generic_no_telephony.mk
+++ b/target/product/generic_no_telephony.mk
@@ -83,6 +83,7 @@
 $(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
 $(call inherit-product-if-exists, external/cibu-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/lohit-fonts/fonts.mk)
+$(call inherit-product-if-exists, external/naver-fonts/fonts.mk)
 $(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)