arm64: introduce data cache ops by set/way to the level specified

This patchs introduces level specific data cache maintenance operations
to cache_helpers.S. It's derived form ARM trusted firmware repository.
Please reference here.

https://github.com/ARM-software/arm-trusted-firmware/blob/master/
lib/aarch64/cache_helpers.S

BRANCH=none
BUG=none
TEST=boot on smaug/foster

Change-Id: Ib58a6d6f95eb51ce5d80749ff51d9d389b0d1343
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b3d1a16bd0089740f1f2257146c771783beece82
Original-Change-Id: Ifcd1dbcd868331107d0d47af73545a3a159fdff6
Original-Signed-off-by: Joseph Lo <josephl@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/265826
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9979
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
7 files changed