Add a directory by kernel instead of a common root, add qnap-301w and rpi4 kernel 6.1 suppport

common/package/modems/Makefile

@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2019 Teltonika
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/download.mk
+
+PKG_NAME:=modems
+PKG_VERSION:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/modems
+	SECTION:=utils
+	CATEGORY:=Utilities
+	TITLE:=3G/4G modem list
+endef
+
+define Build/Compile
+endef
+
+define Package/modems/install
+	$(INSTALL_DIR) $(1)/lib/network/wwan/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/data/* $(1)/lib/network/wwan/
+	#in order to keep the Lede GIT repo free of filenames with colons,
+	#we name the files xxxx-yyyy
+	# and rename here after copying to the build directory
+	shopt -s nullglob ; \
+	for filevar in $(1)/lib/network/wwan/*-* ; \
+	do \
+		FILENAME=$$$$(basename $$$$filevar) ; \
+		NEWNAME=$$$${FILENAME//-/:} ; \
+		mv "$(1)/lib/network/wwan/$$$$FILENAME" "$(1)/lib/network/wwan/$$$$NEWNAME" ; \
+	done
+endef
+
+$(eval $(call BuildPackage,modems))