When EC_GOOGLE_CHROMEEC_SKUID is selected provide an
implementation of smbios_mainboard_manufacturer() so the code
doesn't need to be duplicated in the mainboards.
BUG=b:153767369
Change-Id: Ib65fe373a79d606cffcba71882b0db61be5a18c3
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
4ed96f2443