spi: mediatek: remove mtk_spi_config
spi: mediatek: remove mtk_spi_config

mtk_spi_config() and mtk_spi_prepare_message() both initialize
spi register, so remove mtk_spi_config() and init all register
in mtk_spi_prepare_message().

Signed-off-by: Leilk Liu <e38c087ad75d02f7b913a99f43aafdbb8740d800@mediatek.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs