package/uboot-envtools: add OpenMesh OM5P-AN support

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44865 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/boot/uboot-envtools/files/ar71xx

@@ -25,6 +25,7 @@ mr600v2 | \
 mr900 | \
 mr900v2 | \
 nbg6716 | \
+om5p-an | \
 om5p | \
 tube2h | \
 wndr3700)