This patch adds the support to enable the external V1P05/Vnn rails
in S0 state via devicetree.
BUG=b:223102016
Signed-off-by: V Sowmya <v.sowmya@intel.com>
Change-Id: I555e5607af15a5f5d83ef74321b1b71f17cca289
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>