From: Guochun Mao <guochun.mao@xxxxxxxxxxxx>
Variables mtk_nor_caps_mt8173, mtk_nor_caps_mt8186 and
mtk_nor_caps_mt8192 are not declared.
Make them static.
Fixes: 5b177234e9fd ("spi: spi-mtk-nor: improve device table for adding more capabilities")
Signed-off-by: Guochun Mao <guochun.mao@xxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>