net: wireless: Add get_country_code functionality to platform

Author: Dmitry Shmidt

include/linux/wlan_plat.h

@@ -22,6 +22,7 @@ struct wifi_platform_data {
 	int (*set_carddetect)(int val);
 	void *(*mem_prealloc)(int section, unsigned long size);
 	int (*get_mac_addr)(unsigned char *buf);
+	void *(*get_country_code)(char *ccode);
 	int dot11n_enable;
 	int cscan_enable;
 };