ar71xx: add support for Mikrotik RouterBOARD 2011UiAS-2HnD r2

This board got a new hardware revision, without any change in functionality.

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/ar71xx/base-files/etc/board.d/01_leds

@@ -673,7 +673,8 @@ rb-2011l|\
 rb-2011uas|\
 rb-2011uas-2hnd|\
 rb-2011uias|\
-rb-2011uias-2hnd)
+rb-2011uias-2hnd|\
+rb-2011uias-2hnd-r2)
 	ucidef_set_led_switch "eth6" "ETH6" "rb:green:eth6" "switch1" "0x20"
 	ucidef_set_led_switch "eth7" "ETH7" "rb:green:eth7" "switch1" "0x10"
 	ucidef_set_led_switch "eth8" "ETH8" "rb:green:eth8" "switch1" "0x08"

target/linux/ar71xx/base-files/etc/board.d/02_network

@@ -335,12 +335,14 @@ ar71xx_setup_interfaces()
 	rb-2011uas|\
 	rb-2011uas-2hnd|\
 	rb-2011uias|\
-	rb-2011uias-2hnd)
+	rb-2011uias-2hnd|\
+	rb-2011uias-2hnd-r2)
 		case "$board" in
 		rb-2011ils|\
 		rb-2011uas*|\
 		rb-2011uias|\
-		rb-2011uias-2hnd)
+		rb-2011uias-2hnd|\
+		rb-2011uias-2hnd-r2)
 			ucidef_add_switch "switch0" \
 				"0@eth0" "2:lan" "3:lan" "4:lan" "5:lan" "1:wan" "6:sfp"
 		;;

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

@@ -1024,6 +1024,9 @@ ar71xx_board_detect() {
 	*"RouterBOARD 2011UiAS-2HnD")
 		name="rb-2011uias-2hnd"
 		;;
+	*"RouterBOARD 2011UiAS-2HnD r2")
+		name="rb-2011uias-2hnd-r2"
+		;;
 	*"RouterBOARD 411/A/AH")
 		name="rb-411"
 		;;

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

@@ -568,6 +568,7 @@ platform_check_image() {
 	rb-2011uas-2hnd|\
 	rb-2011uias|\
 	rb-2011uias-2hnd|\
+	rb-2011uias-2hnd-r2|\
 	rb-sxt2n|\
 	rb-sxt5n)
 		nand_do_platform_check routerboard $1
@@ -891,6 +892,7 @@ platform_do_upgrade() {
 	rb-2011uas-2hnd|\
 	rb-2011uias|\
 	rb-2011uias-2hnd|\
+	rb-2011uias-2hnd-r2|\
 	rb-sxt2n|\
 	rb-sxt5n|\
 	wi2a-ac200i|\