Patch merged into coreboot/master: Hide EC_GOOGLE_CHROMEEC_SPI_BUS.

the following patch was just integrated into master:
commit 42f42ff4501cf0ec345b7f9a3c850934e6f04c00
Author: Vladimir Serbinenko 
Date:   Fri Mar 4 09:31:14 2016 +0100

Hide EC_GOOGLE_CHROMEEC_SPI_BUS.

It's mobo architecture, not a user-adjustable setting.

Change-Id: I8bb81638f391cf0ba880801e4707d8f0957897c8
    Signed-off-by: Vladimir Serbinenko 
    Reviewed-on: https://review.coreboot.org/13906
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/13906 for details.

-gerrit