drm/xe: Fix xe_guc_pc.h

Prefer forward declaration over #include xe_guc_pc_types.h
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240521102828.668-5-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/xe_guc_pc.h

@@ -6,7 +6,9 @@
 #ifndef _XE_GUC_PC_H_
 #define _XE_GUC_PC_H_
 
-#include "xe_guc_pc_types.h"
+#include <linux/types.h>
+
+struct xe_guc_pc;
 
 int xe_guc_pc_init(struct xe_guc_pc *pc);
 int xe_guc_pc_start(struct xe_guc_pc *pc);
@@ -27,4 +29,5 @@ enum xe_gt_idle_state xe_guc_pc_c_status(struct xe_guc_pc *pc);
 u64 xe_guc_pc_rc6_residency(struct xe_guc_pc *pc);
 u64 xe_guc_pc_mc6_residency(struct xe_guc_pc *pc);
 void xe_guc_pc_init_early(struct xe_guc_pc *pc);
+
 #endif /* _XE_GUC_PC_H_ */