feat(tc): update DT for Drage GPU

This patch incorporates the changes for Drage GPU to uses new access
window interface "IRQ_AW". As the interrupt properties are different
between TC4 and other TC platforms, this patch appends the interrupt
properties in platform specific DT binding file.

Change-Id: I2ca505846f03ce64b8e5f02fd202962dbfe39f25
Signed-off-by: Leo Yan <leo.yan@arm.com>
4 files changed