RSE: Add asymmetric provisioning config for TC4

Add a build configuration for TC4 which disables
RSE_SYMMETRIC_PROVISIONING. This verifies the flow which uses separate
keys for encryption and signing of blobs.

Change-Id: I7d1dc8daadd994e4b565861e17bd01bc09a6a530
Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
2 files changed