arm: dts: k3-am642-evm/sk: Enable OSPI support in SPL

Add bootph DT tags to enable OSPI in SPL.
Set OSPI regs for R5 SPL to address OSPI's boot region.

Signed-off-by: Jonathan Humphreys <j-humphreys@ti.com>
diff --git a/arch/arm/dts/k3-am642-evm-u-boot.dtsi b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
index b843078..60b219c 100644
--- a/arch/arm/dts/k3-am642-evm-u-boot.dtsi
+++ b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
@@ -182,3 +182,19 @@
 &cpsw_port2 {
 	status = "disabled";
 };
+
+&ospi0_pins_default {
+	bootph-all;
+};
+
+&fss {
+	bootph-all;
+};
+
+&ospi0 {
+	bootph-all;
+
+	flash@0 {
+		bootph-all;
+	};
+};
diff --git a/arch/arm/dts/k3-am642-r5-evm.dts b/arch/arm/dts/k3-am642-r5-evm.dts
index 64b3c3a..6825c07 100644
--- a/arch/arm/dts/k3-am642-r5-evm.dts
+++ b/arch/arm/dts/k3-am642-r5-evm.dts
@@ -120,3 +120,8 @@
 	/delete-property/ assigned-clock-parents;
 	/delete-property/ power-domains;
 };
+
+&ospi0 {
+	reg = <0x00 0x0fc40000 0x00 0x100>,
+	      <0x00 0x60000000 0x00 0x8000000>;
+};
diff --git a/arch/arm/dts/k3-am642-r5-sk.dts b/arch/arm/dts/k3-am642-r5-sk.dts
index daa483a..60d747d 100644
--- a/arch/arm/dts/k3-am642-r5-sk.dts
+++ b/arch/arm/dts/k3-am642-r5-sk.dts
@@ -103,3 +103,8 @@
 	/delete-property/ assigned-clock-parents;
 	/delete-property/ power-domains;
 };
+
+&ospi0 {
+	reg = <0x00 0x0fc40000 0x00 0x100>,
+ 	      <0x00 0x60000000 0x00 0x8000000>;
+};
diff --git a/arch/arm/dts/k3-am642-sk-u-boot.dtsi b/arch/arm/dts/k3-am642-sk-u-boot.dtsi
index 2eb227c..2b42c74 100644
--- a/arch/arm/dts/k3-am642-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-am642-sk-u-boot.dtsi
@@ -211,3 +211,19 @@
 &serdes_refclk {
 	bootph-all;
 };
+
+&ospi0_pins_default {
+	bootph-all;
+};
+
+&fss {
+	bootph-all;
+};
+
+&ospi0 {
+ 	bootph-all;
+
+	flash@0 {
+		bootph-all;
+	};
+};