Define MSM466 as alternative name, to explicitly show the device is
supported using existing image (MSM460). The only difference between
the MSM460 and MSM466 is that the MSM466 has external antenna.
Signed-off-by: Raylynn Knight <rayknight@me.com>
Link: https://github.com/openwrt/openwrt/pull/20937
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>