drm/xe: Move xe_force_wake_init_gt() inside gt initialization

xe_force_wake_init_gt() is a software-only initialization and doesn't
need to be called from xe_device_probe(). Move it to initialize
together with the gt.

Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240513213751.1017791-4-lucas.demarchi@intel.com


Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>