ARM: at91/dt: sama5d4: add rgb777 LCD line configuration

For the SAMA5D4 SoC, some LCD lines are in conflict with useful peripherals.
Remove these lines and the lowest significant bit of a 24 bit LCD. It gives
us a RGB 777 configuration.
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/sama5d4.dtsi

@@ -1452,7 +1452,34 @@
 							 AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD22 pin */
 							 AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* LCDD23 pin */
 					};
-					pinctrl_lcd_rgb888: lcd-rgb-3 {
+					pinctrl_lcd_rgb777: lcd-rgb-3 {
+						atmel,pins =
+							 /* LCDDAT0 conflicts with TMS */
+							<AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD1 pin */
+							 AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD2 pin */
+							 AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD3 pin */
+							 AT91_PIOA 4 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD4 pin */
+							 AT91_PIOA 5 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD5 pin */
+							 AT91_PIOA 6 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD6 pin */
+							 AT91_PIOA 7 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD7 pin */
+							 /* LCDDAT8 conflicts with TCK */
+							 AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD9 pin */
+							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD10 pin */
+							 AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD11 pin */
+							 AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD12 pin */
+							 AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD13 pin */
+							 AT91_PIOA 14 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD14 pin */
+							 AT91_PIOA 15 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD15 pin */
+							 /* LCDDAT16 conflicts with NTRST */
+							 AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD17 pin */
+							 AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD18 pin */
+							 AT91_PIOA 19 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD19 pin */
+							 AT91_PIOA 20 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD20 pin */
+							 AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD21 pin */
+							 AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD22 pin */
+							 AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* LCDD23 pin */
+					};
+					pinctrl_lcd_rgb888: lcd-rgb-4 {
 						atmel,pins =
 							<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD0 pin */
 							 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE	/* LCDD1 pin */