spi: fix brackets
spi: fix brackets

Signed-off-by: Yegor Yefremov <379041fa42359f10443de1f461b1b247ec449fae@googlemail.com>

yegorich/libsoc,yegorich/libsoc,hlummis/libsoc,janick/libsoc,jackmitch/libsoc,janick/libsoc,yegorich/libsoc,hlummis/libsoc,hlummis/libsoc,jackmitch/libsoc,jackmitch/libsoc,hlummis/libsoc,janick/libsoc,janick/libsoc