chore: rename Makalu to Cortex-A715

Change-Id: I017c955cb643e2befb6b01e1b5a07c22172b08b9
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
(cherry picked from commit 15889d1332b1d639bb386b6f01e3848a3d1e6a84)
5 files changed