firmware: arm_scmi: Make MBOX transport a standalone driver

Make SCMI mailbox transport a standalone driver that can be optionally
loaded as a module; while at it, create a dedicated subdirectory and
submenu for SCMI Transports.

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Message-Id: <20240812173340.3912830-6-cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Cristian Marussi 2024-08-12 18:33:36 +01:00 • committed by Sudeep Holla
commit b53515fa17
8 changed files with 420 additions and 395 deletions