firmware: add support for the USB wireless driver carl9170

carl9170 is the 802.11 draft-n USB driver with GPLv2 firmware for Atheros USB AR9170 devices.

This patch includes only the files to build for the GPLv2 Atheros USB AR9170 devices.

https://wiki.debian.org/carl9170

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>

package/firmware/linux-firmware/Makefile

@@ -0,0 +1,37 @@
+#
+# Copyright (C) 2014 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=linux-firmware
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
+PKG_SOURCE_DATE:=2016-09-21
+PKG_SOURCE_VERSION:=42ad5367dd38371b2a1bb263b6efa85f9b92fc93
+PKG_MIRROR_HASH:=d77e7e2e7cb655870a78c2650d90ed994b053b0c3b75abf8c62c94dc2ce82e77
+
+PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
+
+SCAN_DEPS = *.mk
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/firmware-default
+  SECTION:=firmware
+  CATEGORY:=Firmware
+  URL:=http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git
+  TITLE:=$(1)
+endef
+
+define Build/Compile
+
+endef
+
+include $(wildcard ./*.mk)
+#$(eval $(call BuildPackage,linux-firmware))

package/firmware/linux-firmware/qca.mk

@@ -0,0 +1,6 @@
+Package/carl9170-firmware = $(call Package/firmware-default,AR9170 firmware)
+define Package/carl9170-firmware/install
+	$(INSTALL_DIR) $(1)/lib/firmware
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/carl9170-1.fw $(1)/lib/firmware
+endef
+$(eval $(call BuildPackage,carl9170-firmware))