ARM: dts: sama5d2_xplained: update for SPL

Add the "u-boot,dm-pre-reloc" property to determine which nodes
which are needed by SPL and by the board_init_f stage.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
diff --git a/arch/arm/dts/at91-sama5d2_xplained.dts b/arch/arm/dts/at91-sama5d2_xplained.dts
index 3709437..3e624f1 100644
--- a/arch/arm/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/dts/at91-sama5d2_xplained.dts
@@ -7,6 +7,7 @@
 	compatible = "atmel,sama5d2-xplained", "atmel,sama5d2", "atmel,sama5";
 
 	chosen {
+		u-boot,dm-pre-reloc;
 		stdout-path = &uart1;
 	};
 
@@ -28,6 +29,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_sdmmc0_cmd_dat_default &pinctrl_sdmmc0_ck_cd_default>;
 			status = "okay";
+			u-boot,dm-pre-reloc;
 		};
 
 		sdmmc1: sdio-host@b0000000 {
@@ -35,6 +37,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>;
 			status = "okay"; /* conflict with qspi0 */
+			u-boot,dm-pre-reloc;
 		};
 
 		apb {
@@ -67,11 +70,13 @@
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_spi0_default>;
 				status = "okay";
+				u-boot,dm-pre-reloc;
 
 				spi_flash@0 {
 					compatible = "spi-flash";
 					reg = <0>;
 					spi-max-frequency = <50000000>;
+					u-boot,dm-pre-reloc;
 				};
 			};
 
@@ -90,6 +95,7 @@
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_uart1_default>;
 				status = "okay";
+				u-boot,dm-pre-reloc;
 			};
 
 			i2c1: i2c@fc028000 {
@@ -146,6 +152,7 @@
 							 <PIN_PA8__SDMMC0_DAT6>,
 							 <PIN_PA9__SDMMC0_DAT7>;
 						bias-pull-up;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_sdmmc0_ck_cd_default: sdmmc0_ck_cd_default {
@@ -154,6 +161,7 @@
 							 <PIN_PA11__SDMMC0_VDDSEL>,
 							 <PIN_PA13__SDMMC0_CD>;
 						bias-disable;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_sdmmc1_cmd_dat_default: sdmmc1_cmd_dat_default {
@@ -163,12 +171,14 @@
 							 <PIN_PA20__SDMMC1_DAT2>,
 							 <PIN_PA21__SDMMC1_DAT3>;
 						bias-pull-up;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_sdmmc1_ck_cd_default: sdmmc1_ck_cd_default {
 						pinmux = <PIN_PA22__SDMMC1_CK>,
 							 <PIN_PA30__SDMMC1_CD>;
 						bias-disable;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_spi0_default: spi0_default {
@@ -176,12 +186,14 @@
 							 <PIN_PA15__SPI0_MOSI>,
 							 <PIN_PA16__SPI0_MISO>;
 						bias-disable;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_uart1_default: uart1_default {
 						pinmux = <PIN_PD2__URXD1>,
 							 <PIN_PD3__UTXD1>;
 						bias-disable;
+						u-boot,dm-pre-reloc;
 					};
 
 					pinctrl_usb_default: usb_default {