MIPS: Loongson: Remove redundant local_irq_disable()

That code is executed with irq disabled already, so, remove the redundant
local_irq_disable() here.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
1 file changed