amd/stoneyridge: Move SB index/data pairs to iomap.h

Relocate the I/O registers to the iomap for PM, PM2, and BIOSRAM.

Change-Id: I3a59adc974a8a90bfc586188b829a7252356b3cb
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22723
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2 files changed