YeeLoong2F has a KB3310b embedded controller. Add basic operations for
future related drivers and board support.
Signed-off-by: NWu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/684/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>