drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume

drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume

The DMC firmware program memory is lost after S3/S4 system suspend, so
we need to reprogram it during resume.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103070
Fixes: cebfcead63de ("drm/i915/DMC/CNL: Load DMC on CNL")
Cc: Anusha Srivatsa <[email protected]>
Cc: Animesh Manna <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Imre Deak <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]