ar71xx: add qihoo 360 c301 router support

Qihoo 360 C301 is a dual band wireless router supports 802.11n and 802.11ac.
Its chipset is AR9344 + AR9882 with two 16MB flashes.

This patch adds its initial support.

v2:
* use mtd_get_mac_ascii to fetch MAC address for ath10k.
* use ath79_register_pci to initialize AR9882.

Signed-off-by: Weijie Gao <hackpascal@gmail.com>

SVN-Revision: 42552

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -433,6 +433,9 @@ ar71xx_board_detect() {
 	*PB92)
 		name="pb92"
 		;;
+	*"Qihoo 360 C301")
+		name="qihoo-c301"
+		;;
 	*"RouterBOARD 411/A/AH")
 		name="rb-411"
 		;;