MIPS: Loongson: common: Fix array initializer syntax.

Fix array initializer syntax to get rid of the following sparse warnings:
"obsolete array initializer, use C99 syntax".

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8525/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>