soc/amd/stoneyridge: implement and use get_pstate_0_reg

Introduce get_pstate_0_reg and use it in tsc_freq_mhz to get the P state
register number corresponding to P state 0.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I7b92a858bf36b04a570d99c656e5ccfc84457724
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74022
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>

0 files changed, 0 insertions, 0 deletions