fix(tc): fix the MHUv3 interrupt name in DT

Change the interrupt name "combined-mbx" to "combined", which is the
correct naming defined in the mainline kernel.

Signed-off-by: Leo Yan <leo.yan@arm.com>
Change-Id: I8d2da2dd0e9dac2bed3963efc695a277bb5e14bd
1 file changed