ARM: dts: sama7g5: add u-boot,dm-pre-reloc bindings for xtals

Add dm-pre-reloc DT binding property for cristals.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
diff --git a/arch/arm/dts/sama7g5ek-u-boot.dtsi b/arch/arm/dts/sama7g5ek-u-boot.dtsi
index 06af2f7..d10448e 100644
--- a/arch/arm/dts/sama7g5ek-u-boot.dtsi
+++ b/arch/arm/dts/sama7g5ek-u-boot.dtsi
@@ -27,10 +27,18 @@
 	u-boot,dm-pre-reloc;
 };
 
+&main_xtal {
+	u-boot,dm-pre-reloc;
+};
+
 &slow_rc_osc {
 	u-boot,dm-pre-reloc;
 };
 
+&slow_xtal {
+	u-boot,dm-pre-reloc;
+};
+
 &uart0 {
 	u-boot,dm-pre-reloc;
 };