Check TBT NVM FW Ready (INFR) bit to skip D3Cold for TBT when device
is in disconnected state.
Not adhering this recommendation is blocking the S0ix state transition.
BUG=b:183670327
TEST=S0ix state transition occurs with TBT disconnected.
Change-Id: Ib9b9ceee4393aeba37fdcb4e05d1b279a6ff72d2
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51274
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>