drm: fix code style for embedded structs in hdr_metadata_infoframe

Only the stuff inside the brackets should be indented.

Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sebastian Wick <sebastian.wick@redhat.com>
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428100115.9802-1-contact@emersion.fr

include/uapi/drm/drm_mode.h

@@ -883,7 +883,7 @@ struct hdr_metadata_infoframe {
 	 */
 	struct {
 		__u16 x, y;
-		} display_primaries[3];
+	} display_primaries[3];
 	/**
 	 * @white_point: White Point of Colorspace Data.
 	 * These are coded as unsigned 16-bit values in units of
@@ -894,7 +894,7 @@ struct hdr_metadata_infoframe {
 	 */
 	struct {
 		__u16 x, y;
-		} white_point;
+	} white_point;
 	/**
 	 * @max_display_mastering_luminance: Max Mastering Display Luminance.
 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,