drm/i915/bmg: Load DMC

Load Battlemage's DMC. We re-use XELPDP_DMC_MAX_FW_SIZE since BMG's
display is a derivative of Xe_LPD+ and has the same MMIO offset limits.

Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510140532.112352-2-gustavo.sousa@intel.com


Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>