ar71xx: Add userspace support for Mikrotik rb-2011iLS

Kernel support already present.
Patch adds userspace for the 'iLS' suffix model of the RB2011 family.
Enables correct initial switch settings, sysupgrade, etc.

https://mikrotik.com/product/RB2011iLS-IN

Signed-off-by: Simon Paterson <simon.paterson.nz@gmail.com>

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

@@ -616,6 +616,7 @@ rb-962uigs-5hact2hnt)
 	ucidef_set_led_timer "user" "USER/SFP" "rb:green:user" "1000" "1000"
 	;;
 rb-2011il|\
+rb-2011ils|\
 rb-2011l|\
 rb-2011uas|\
 rb-2011uas-2hnd|\

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

@@ -315,12 +315,14 @@ ar71xx_setup_interfaces()
 	;;
 	db120|\
 	rb-2011il|\
+	rb-2011ils|\
 	rb-2011l|\
 	rb-2011uas|\
 	rb-2011uas-2hnd|\
 	rb-2011uias|\
 	rb-2011uias-2hnd)
 		case "$board" in
+		rb-2011ils|\
 		rb-2011uas*|\
 		rb-2011uias|\
 		rb-2011uias-2hnd)

target/linux/ar71xx/base-files/etc/diag.sh

@@ -335,6 +335,7 @@ get_status_led() {
 		status_led="$board:green:wan"
 		;;
 	rb-2011il|\
+	rb-2011ils|\
 	rb-2011l|\
 	rb-2011uas|\
 	rb-2011uas-2hnd)

target/linux/ar71xx/base-files/etc/uci-defaults/03_network-switchX-migration

@@ -86,6 +86,7 @@ rb-450)
 
 db120|\
 rb-2011il|\
+rb-2011ils|\
 rb-2011l|\
 rb-2011uas-2hnd)
 	migrate_switch_name "eth0" "switch0"

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

@@ -944,6 +944,9 @@ ar71xx_board_detect() {
 	*"RouterBOARD 2011iL")
 		name="rb-2011il"
 		;;
+	*"RouterBOARD 2011iLS")
+		name="rb-2011ils"
+		;;
 	*"RouterBOARD 2011L")
 		name="rb-2011l"
 		;;

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

@@ -550,6 +550,7 @@ platform_check_image() {
 	rb-951ui-2hnd|\
 	rb-2011l|\
 	rb-2011il|\
+	rb-2011ils|\
 	rb-2011uas|\
 	rb-2011uas-2hnd|\
 	rb-2011uias|\
@@ -843,6 +844,7 @@ platform_do_upgrade() {
 	rb-951g-2hnd|\
 	rb-951ui-2hnd|\
 	rb-2011il|\
+	rb-2011ils|\
 	rb-2011l|\
 	rb-2011uas|\
 	rb-2011uas-2hnd|\