[][dts: mt7986: Adjust driving settings for flash devices]

[Description]
Change driving settings for flash devices:
- NFI: 4mA (HT pass)
- SPIM: 8mA (HT/LT pass)

[Release-log]
N/A

Change-Id: I5c8c9cdb432cc7a1d79843f2a2c3a9d053be017e
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4747409
2 files changed