Merge tag 'imx-soc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...

i.MX SoC update for 5.11:

- Add revision detection support for i.MX7ULP revision 2.2.
- Add a little document for i.MX7ULP B2 silicon version.
- Add serial number support for i.MX23, i.MX28 SoCs through soc_device.
- Improve the identifying of i.MX6QP SoCs.

* tag 'imx-soc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: mxs: Add serial number support for i.MX23, i.MX28 SoCs
  ARM: imx: mach-imx6q: correctly identify i.MX6QP SoCs
  ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version
  ARM: imx: Add revision support for i.MX7ULP revision 2.2

Link: https://lore.kernel.org/r/20201202142717.9262-2-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>