This patch is required to support reading MAC address on Meraki MX64/65
line of devices, but also touches MR32, so let's backport it first.
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16634
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
