fix(scmi): mention "SCMI" in driver initialisation message

Currently the SCMI driver reports:
INFO:    Initializing driver on Channel 0
on the console, which is not very specific (which driver?).

Add "SCMI" to the message so the user knows what the firmware is trying
to initialise.

Change-Id: Id8202655d07b8e12fe07670d462c6202e6eae2f0
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
1 file changed