drm/i915/bios: s/dpfs/dfps/

We've misspelled the VBT DFPS (dynamic frames per second) field
as DPFS. Fix it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240321161806.31714-2-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_vbt_defs.h

@@ -614,7 +614,7 @@ struct bdb_driver_features {
 	u16 tbt_enabled:1;					/* 165+ */
 	u16 psr_enabled:1;					/* 165-227 */
 	u16 ips_enabled:1;					/* 165+ */
-	u16 dpfs_enabled:1;					/* 165+ */
+	u16 dfps_enabled:1;					/* 165+ */
 	u16 dmrrs_enabled:1;					/* 174-227 */
 	u16 adt_enabled:1;					/* ???-228 */
 	u16 hpd_wake:1;						/* 201-240 */