lantiq: mac address setting on BTHOMEHUBV3A

Rename uboot environment partition on BT Home Hub 3A so that mac address
setting works correctly.

Also, the mac address field in the ath9k calibration data is not used,
and should not be referenced in the dts.

Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>

target/linux/lantiq/dts/BTHOMEHUBV3A.dts

@@ -64,7 +64,7 @@
 						read-only;
 					};
 					partition@64000 {
-						label = "uboot-config";
+						label = "uboot_env";
 						reg = <0x64000 0x004000>;
 					};
 					ath9k_cal: partition@68000 {
@@ -85,7 +85,6 @@
 			ath9k_eep {
 				compatible = "ath9k,eeprom";
 				ath,eep-flash = <&ath9k_cal 0x0000>;
-				ath,mac-offset = <0x10c>;
 				ath,pci-slot = <14>;
 				ath,eep-endian;
 			};