Sklrvp: Boot to ChromeOS

Remove debug code and to enable booting to ChromeOS using a USB flash
device.  Add the ACPI support.  Graphics is enabled so the display
showsthe Chromium sign-on.

BRANCH=none
BUG=None
TEST=Build and run on sklrvp
1. Cherry pick the sklrvp privates patch: 206035
2. Cherry pick chromiumos-overyal patch: 257600
3. Cherry pick sklrvp patch: 257770
4. Cherry pick skylake binary patch: 257866
5. Cherry pick common stack.c patch: 255940
6. Cherry pick skylake TempRamExit patch: 247712
7. Cherry pick skylake SiliconInit patch: 247713
8. Cherry pick config-sklrvp FspNotify1 patch
9. Cherry pick skylake FspNotify1 patch
10. Cherry pick sklrvp FspNotify1 patch
11. Cherry pick sklrvp FspNotify2 patch
12. Cherry pick skylake boot to ChromeOS patch
13. emerge-sklrvp  coreboot  chromeos-bootimage
14. Flash image.bin
15. Test successful if ChromeOS boots

Change-Id: I8dda9ae423f0db6c55ed94a737c9503624d2a1f9
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.ch@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/258593
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: Pravin K Angolkar <pravin.k.angolkar@intel.com>
Commit-Queue: Pravin K Angolkar <pravin.k.angolkar@intel.com>
8 files changed