drm/i915: Add missing tab to DRRS debugfs

The DRRS refresh rate should be indented by one tab like the
other per-crtc DRRS stuff.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315132752.11849-3-ville.syrjala@linux.intel.comReviewed-by: José Roberto de Souza <jose.souza@intel.com>

drivers/gpu/drm/i915/display/intel_display_debugfs.c

@@ -1171,7 +1171,7 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 		seq_printf(m, "\tBusy_frontbuffer_bits: 0x%X\n",
 			   crtc->drrs.busy_frontbuffer_bits);
 
-		seq_printf(m, "DRRS refresh rate: %s\n",
+		seq_printf(m, "\tDRRS refresh rate: %s\n",
 			   crtc->drrs.refresh_rate == DRRS_REFRESH_RATE_LOW ?
 			   "low" : "high");