arm: mx6: novena: Add proper LVDS display support

Repair the register configuration and add proper support for the
display attached to both LVDS channels.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
diff --git a/board/kosagi/novena/novena_spl.c b/board/kosagi/novena/novena_spl.c
index 5ebc59b..b1688e0 100644
--- a/board/kosagi/novena/novena_spl.c
+++ b/board/kosagi/novena/novena_spl.c
@@ -386,6 +386,13 @@
 static iomux_v3_cfg_t hdmi_pads[] = {
 	/* "Ghost HPD" pin */
 	MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+	/* LCD_PWR_CTL */
+	MX6_PAD_CSI0_DAT10__GPIO5_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
+	/* LCD_BL_ON */
+	MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+	/* GPIO_PWM1 */
+	MX6_PAD_DISP0_DAT8__GPIO4_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
 };
 
 static void novena_spl_setup_iomux_video(void)