rse: export PKA SRAM key during its setup

Group PKA SRAM KMU key setup in one function call for clarity.

Change-Id: Ifc8570b9d5adb3da5a79ac4e598f45c2f83c7ddd
Signed-off-by: Amjad Ouled-Ameur <amjad.ouled-ameur@arm.com>
2 files changed