ar71xx: add ath79_wmac_disable_[25]ghz helpers

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33955

target/linux/ar71xx/patches-3.3/621-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch

@@ -0,0 +1,31 @@
+--- a/arch/mips/ath79/dev-wmac.c
++++ b/arch/mips/ath79/dev-wmac.c
+@@ -270,6 +270,16 @@ bool __init ar93xx_wmac_read_mac_address
+ 	return ret;
+ }
+ 
++void __init ath79_wmac_disable_2ghz(void)
++{
++	ath79_wmac_data.disable_2ghz = true;
++}
++
++void __init ath79_wmac_disable_5ghz(void)
++{
++	ath79_wmac_data.disable_5ghz = true;
++}
++
+ void __init ath79_register_wmac(u8 *cal_data, u8 *mac_addr)
+ {
+ 	if (soc_is_ar913x())
+--- a/arch/mips/ath79/dev-wmac.h
++++ b/arch/mips/ath79/dev-wmac.h
+@@ -13,6 +13,9 @@
+ #define _ATH79_DEV_WMAC_H
+ 
+ void ath79_register_wmac(u8 *cal_data, u8 *mac_addr);
++void ath79_wmac_disable_2ghz(void);
++void ath79_wmac_disable_5ghz(void);
++
+ bool ar93xx_wmac_read_mac_address(u8 *dest);
+ 
+ #endif /* _ATH79_DEV_WMAC_H */