refactor code of mtk-scpsys
* tag 'v5.4-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
soc: mediatek: Refactor clock control
soc: mediatek: Refactor regulator control
soc: mediatek: Refactor polling timeout and documentation
Link: https://lore.kernel.org/r/294422a4-37b2-def5-5d32-8988f27c3a5b@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>