mvebu: fix cobra chainmask

Thanks Sebastian for spotting it.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 46697

target/linux/mvebu/files/arch/arm/boot/dts/armada-385-linksys-cobra.dts

@@ -105,7 +105,7 @@
 			pcie@1,0 {
 				mwlwifi {
 					marvell,2ghz = <0>;
-					marvell,chainmask = <2 2>;
+					marvell,chainmask = <4 4>;
 					marvell,powertable {
 						AU =
 							<36 0 0xd 0xd 0xd 0xd 0xd 0xd 0xd 0xd 0xe 0xe 0xe 0xe 0xe 0xe 0xe 0xe 0 0xf>,
@@ -235,7 +235,7 @@
 			pcie@2,0 {
 				mwlwifi {
 					marvell,5ghz = <0>;
-					marvell,chainmask = <2 2>;
+					marvell,chainmask = <4 4>;
 					marvell,powertable {
 						AU =
 							<1 0 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0xa 0x0 0x0 0x0 0x0 0 0xf>,