[][mtd: mtk-snand: Change delay settings to fit 52MHz]

[Description]
Change delay settings to fix 52MHz
Under 52MHz, let latch_lat = 0, sample_dly = 40
Under 90MHz, let latch_lat = 1, sample_dly = 0

[Release-log]
N/A

Change-Id: I480b2948f5e504859dc51a620482b42752e4678c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4836490
1 file changed