soc_is_pollock() and soc_is_picasso() aren't used by any mainboard or
soc code. The same fuctionality is still provided by get_soc_type().
Change-Id: I046b4925bfeb4b31d11e2548ac87b7bbca0f6475
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41795
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>