pmic wrapper:
- add mt8516 bindings
- add mt8516 driver support
- fix clang warning
* tag 'v5.1-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: pwrap: Zero initialize rdata in pwrap_init_cipher
soc: mediatek: pwrap: add support for MT8516 pwrap
soc: mediatek: pwrap: add missing check on rstc
dt-bindings: pwrap: mediatek: add pwrap support for MT8516
Signed-off-by: Olof Johansson <olof@lixom.net>