No support for SoC D-1 stepping is available.
According to Intel doc #332095-015 stepping C-0 has revision
id 0x21 and D-1 revision ID 0x35.
Also correct the RID_C_STEPPING_START value for C-0.
BUG=none
TEST=Built, Intel Cherry Hill Rev F.
Change-Id: I29268f797f68aa4e3b6203e098485e0bd4a44fc4
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/27471
Reviewed-by: Wim Vervoorn
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>