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

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Raul Rangel, Jon Murphy, Mark Hasemeyer.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74097 )

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

Patch Set 15: Code-Review+2

(1 comment)

File src/mainboard/google/myst/chromeos.c:

https://review.coreboot.org/c/coreboot/+/74097/comment/2bde321c_48852462 
PS15, Line 9: void fill_lb_gpios(struct lb_gpios *gpios) {}
Not sure you even need this if this is going to be empty since VBOOT_NO_BOARD_SUPPORT will apply the same -

https://chromium.googlesource.com/chromiumos/third_party/coreboot/+/refs/hea...

Is there somewhere up the CL stack you remove VBOOT_NO_BOARD_SUPPORT config?