feat(tc): add MHUv3 DT binding for TC3

MHUv3's device tree is different from MHUv2's. Add support MHUv3 DT
binding for TC3 while keeping TC2 as-is.

Change-Id: Ib2f55d3a64a4cfe2ea9e62fe39d27ed54a2ca007
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
3 files changed