drm/panel-novatek-nt35510: Fix dotclock

The dotclock is three orders of magnitude out. Fix it.

v2: Just set it to 20MHz (Linus)

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200309133644.32385-1-ville.syrjala@linux.intel.comReviewed-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpu/drm/panel/panel-novatek-nt35510.c

@@ -1019,7 +1019,7 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
 	 */
 	.mode = {
 		/* The internal pixel clock of the NT35510 is 20 MHz */
-		.clock = 20000000,
+		.clock = 20000,
 		.hdisplay = 480,
 		.hsync_start = 480 + 2, /* HFP = 2 */
 		.hsync_end = 480 + 2 + 0, /* HSync = 0 */