The 'ar913x' part was removed from the common variable and function names,
so remove that from the relevant header file name as well.
Signed-off-by: NGabor Juhos <juhosg@openwrt.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3033/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>