drm/i915/display: Compare the readout dsc pps params

drm/i915/display: Compare the readout dsc pps params

With the dsc config being readout and filled in crtc_state add
macros and use them to compare current and previous PPS param in
DSC.

--v2
-Remove version check [Jani]
-Remove dupe macro for dsc pipe compare and use the existing ones
[Jani]

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828054300.560559-9-suraj.kandpal@intel.com