Renesas driver updates for v5.12
- Miscellaneous fixes and improvements.
* tag 'renesas-drivers-for-v5.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: rcar-sysc: Mark device node OF_POPULATED after init
soc: renesas: rcar-sysc: Use readl_poll_timeout_atomic()
Link: https://lore.kernel.org/r/20210129090815.2552425-3-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>