* updated SNAND/SNFI driver brings support for MT7981
* add support for MediaTek NAND Memory bad Block Management (NMBM)
(not used for any boards atm, but could be useful in future)
* wire up NMBM support for MT7622, MT7629, MT7981 and MT7986
* replace some local patches with updated version from SDK
* bring some legacy precompiler symbols which haven't been converted
into Kconfig symbols in U-Boot 2022.07, remove when bumbping to
U-Boot 2022.10:
100-28-include-configs-mt7986-h-from-SDK.patch
Source: https://github.com/mtk-openwrt/u-boot
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
