[S] Change in coreboot[master]: mb/google/myst: Build for chromeOS

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/74097 )

Change subject: mb/google/myst: Build for chromeOS
......................................................................

mb/google/myst: Build for chromeOS

Adjust build configs to build Myst for chromeOS.

BUG=b:270618097
TEST=builds

Signed-off-by: Jon Murphy 
Change-Id: If4b6917fe024067409bfbb3d2691c37759b5cace
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74097
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
---
M src/mainboard/google/myst/Kconfig
M src/mainboard/google/myst/Makefile.inc
2 files changed, 25 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/mainboard/google/myst/Kconfig b/src/mainboard/google/myst/Kconfig
index d8be3b8..b9e87fb 100644
--- a/src/mainboard/google/myst/Kconfig
+++ b/src/mainboard/google/myst/Kconfig
@@ -8,6 +8,7 @@
 config BOARD_SPECIFIC_OPTIONS
    def_bool y
    select BOARD_ROMSIZE_KB_16384
+	select MAINBOARD_HAS_CHROMEOS
    select SOC_AMD_PHOENIX

config DEVICETREE
@@ -26,4 +27,9 @@
 config MAINBOARD_PART_NUMBER
    default "Myst" if BOARD_GOOGLE_MYST

+config VBOOT
+	select VBOOT_NO_BOARD_SUPPORT
+	select VBOOT_SEPARATE_VERSTAGE
+	select VBOOT_STARTS_IN_BOOTBLOCK
+
 endif # BOARD_GOOGLE_BASEBOARD_MYST
diff --git a/src/mainboard/google/myst/Makefile.inc b/src/mainboard/google/myst/Makefile.inc
index 0315ba9..5bd6aca 100644
--- a/src/mainboard/google/myst/Makefile.inc
+++ b/src/mainboard/google/myst/Makefile.inc
@@ -6,6 +6,7 @@

ramstage-y += mainboard.c
 ramstage-y += port_descriptors.c
+ramstage-$(CONFIG_CHROMEOS) += chromeos.c

subdirs-y += variants/baseboard