Merge branch 'sfc-devlink-flash-for-x4'

Edward Cree says:

====================
sfc: devlink flash for X4

Updates to support devlink flash on X4 NICs.
Patch #2 is needed for NVRAM_PARTITION_TYPE_AUTO, and patch #1 is
 needed because the latest MCDI headers from firmware no longer
 include MDIO read/write commands.

v1: https://lore.kernel.org/cover.1742223233.git.ecree.xilinx@gmail.com
====================

Link: https://patch.msgid.link/cover.1742493016.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>