drm/xe: Add member initialized_domains to xe_force_wake()

drm/xe: Add member initialized_domains to xe_force_wake()

This field serves as a bitmask representing all initialized forcewake
domains on the GT.

v2
- Move awake_domains datatype change out of this patch (Michal)
- Rename domain_init to init_domain (Michal)
- optimize alignment (Michal)

Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Badal Nilawar <badal.nilawar@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241014075601.2324382-2-himal.prasad.ghimiray@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>