drm/tilcdc: fix typos in comment

Fix typos in comment.
Signed-off-by: Chunguang Xu <brookxu@tencent.com>
Signed-off-by: Jyri Sarha <jyri.sarha@iki.fi>
Link: https://patchwork.freedesktop.org/patch/msgid/1650625751-32137-1-git-send-email-brookxu.cn@gmail.com

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

@@ -996,7 +996,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
 	if (stat & LCDC_FRAME_DONE) {
 		tilcdc_crtc->frame_done = true;
 		wake_up(&tilcdc_crtc->frame_done_wq);
-		/* rev 1 lcdc appears to hang if irq is not disbaled here */
+		/* rev 1 lcdc appears to hang if irq is not disabled here */
 		if (priv->rev == 1)
 			tilcdc_clear(dev, LCDC_RASTER_CTRL_REG,
 				     LCDC_V1_FRAME_DONE_INT_ENA);