ar71xx: enable sysupgrade for the OpenMesh OM2P-HSv3

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>

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

@@ -47,6 +47,7 @@ platform_check_image_target_openmesh()
 			[ "$board" = "om2p-lc" ] && return 0
 			[ "$board" = "om2p-hs" ] && return 0
 			[ "$board" = "om2p-hsv2" ] && return 0
+			[ "$board" = "om2p-hsv3" ] && return 0
 			echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
 			return 1
 			;;

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

@@ -322,6 +322,7 @@ platform_check_image() {
 	om2pv2 | \
 	om2p-hs | \
 	om2p-hsv2 | \
+	om2p-hsv3 | \
 	om2p-lc | \
 	om5p | \
 	om5p-an | \
@@ -581,6 +582,7 @@ platform_do_upgrade() {
 	om2pv2 | \
 	om2p-hs | \
 	om2p-hsv2 | \
+	om2p-hsv3 | \
 	om2p-lc | \
 	om5p | \
 	om5p-an | \