drm/i915/dmc: Update DG2 DMC version to v2.08

Release notes:

1. Fixes for Register noclaims and few restore.

Fixes: c4cf059d ("drm/i915/dmc: Update DG2 DMC firmware to v2.07")
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221124162123.16870-1-gustavo.sousa@intel.com


(cherry picked from commit 6ee66925)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>