drm/bridge: Fix spelling mistake "gettin" -> "getting"

There is a spelling mistake in a dev_err message. Fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support")
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Signed-off-by: Robert Foss <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/bridge/sii902x.c

···
 		lanes[0] = 0;
 	} else if (num_lanes < 0) {
 		dev_err(dev,
-			"%s: Error gettin \"sil,i2s-data-lanes\": %d\n",
+			"%s: Error getting \"sil,i2s-data-lanes\": %d\n",
 			__func__, num_lanes);
 		return num_lanes;
 	}