ARM: SoC updates for 5.11

These are update for SoC specific code, mostly in the
32-bit architecture:

 - A rework for handling MMIO accesses in Renesas SoCs
   in a more portable way

 - Updates to SoC version detection in NXP i.MX SoCs.

 - Smaller bug fixes for OMAP, Samsung, Marvell, Amlogic,

Signed-off-by: Arnd Bergmann <arnd@arndb.de>