drivers: gpu: drm: Fix trivial spelling

The word 'descriptor' is misspelled throughout the tree.

Fix it up accordingly:
    decriptors -> descriptors
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200609124610.3445662-9-kieran.bingham+renesas@ideasonboard.com

drivers/gpu/drm/drm_dp_helper.c

@@ -1362,7 +1362,7 @@ EXPORT_SYMBOL(drm_dp_get_edid_quirks);
 /**
  * drm_dp_read_desc - read sink/branch descriptor from DPCD
  * @aux: DisplayPort AUX channel
- * @desc: Device decriptor to fill from DPCD
+ * @desc: Device descriptor to fill from DPCD
  * @is_branch: true for branch devices, false for sink devices
  *
  * Read DPCD 0x400 (sink) or 0x500 (branch) into @desc. Also debug log the

include/drm/drm_dp_helper.h

@@ -1561,7 +1561,7 @@ enum drm_dp_quirk {
 
 /**
  * drm_dp_has_quirk() - does the DP device have a specific quirk
- * @desc: Device decriptor filled by drm_dp_read_desc()
+ * @desc: Device descriptor filled by drm_dp_read_desc()
  * @edid_quirks: Optional quirk bitmask filled by drm_dp_get_edid_quirks()
  * @quirk: Quirk to query for
  *