Wireless mac registration causes a BUG on AR913X SoCs due to
a missing 'else'.
Signed-off-by: NGabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3182/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>