[][SW framework][common][snfi][add panic write support for mtk-snand]

[Description]
Add panic write support for mtk-snand driver

[Release-log]
N/A

Change-Id: Ic420abf28f3ed1728af67c0026f54d17e86c383b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7654465
3 files changed