UPSTREAM: google/reef: Tune eMMC DLL settings for reef evt

Apply eMMC tuned DLL settings for reef evt.
Modify comments to avoid replicating info.
Add EDS reference.

CQ-DEPEND=CL:374061
BUG=chrome-os-partner:55648
BRANCH=none
TEST=Verify that reef evt boots to OS from eMMC.

Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Reviewed-on: https://review.coreboot.org/16296
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: If3bf51f3b7d38320f504ea6fbecf7c188a94ae5c
Reviewed-on: https://chromium-review.googlesource.com/374984
Commit-Ready: Aaron Durbin <adurbin@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed