drm/amd/display: [FW Promotion] Release 0.0.189.0

 - Minor formatting changes
 - Update defines to match the bit width of the field it is used for
 - Add new boot up bits to control HW sub block regions power
   down

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>