MAINTAINERS: Add maintainer for Pineview & x4x chipsets & boards

Change-Id: I3c34f6e69b3760a10e67bdc41c8ef0e629beb881
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/14129
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed