feat(tc): add RSS-AP message size macro

Define the RSS_COMMS_PAYLOAD_MAX_SIZE macro. Its value is platform
specific and gives the largest message size which are exchanged
on the TC2 platform between RSS and AP.

Change-Id: Id831c282dc9a39755b82befead1a81767e217215
Signed-off-by: David Vincze <david.vincze@arm.com>
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
1 file changed