[] [Change tick_delay for spi work safety]

Add tick_delay to fix spi sampling point errors which caused
by different board PCB layout. Since the board of Panther/Cheetah
customers are more complicated than our demo version, a safer
value is required to meet the requirements.


Change-Id: I06b6eacfdc807d542b2e92549b5b0d51025f1fb9
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5980598
1 file changed