ARM: dts: sam9x60: use u-boot,dm-pre-reloc

Use u-boot,dm-pre-reloc for slow xtal and main xtal.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
diff --git a/arch/arm/dts/sam9x60ek-u-boot.dtsi b/arch/arm/dts/sam9x60ek-u-boot.dtsi
index 93cf126..65b4a3c 100644
--- a/arch/arm/dts/sam9x60ek-u-boot.dtsi
+++ b/arch/arm/dts/sam9x60ek-u-boot.dtsi
@@ -27,6 +27,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&slow_xtal {
+	u-boot,dm-pre-reloc;
+};
+
 &dbgu {
 	u-boot,dm-pre-reloc;
 };
@@ -67,6 +71,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&main_xtal {
+	u-boot,dm-pre-reloc;
+};
+
 &mck {
 	u-boot,dm-pre-reloc;
 };