arm: dts: k3-am642-sk: Fix boot

Since commit [1] A53 u-boot proper is broken.
This is because nodes marked as 'bootph-pre-ram' are
not available at u-boot proper before relocation.

To fix this we mark all nodes in sk-u-boot.dtsi as
'bootph-all'.

Move cbass_mcu node to -r5-sk.dts as it is only required
for R5 SPL.

[1]
9e644284ab812 ("dm: core: Report bootph-pre-ram/sram node as pre-reloc after relocation")

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Nishanth Menon <nm@ti.com>
diff --git a/arch/arm/dts/k3-am642-r5-sk.dts b/arch/arm/dts/k3-am642-r5-sk.dts
index def4622..daa483a 100644
--- a/arch/arm/dts/k3-am642-r5-sk.dts
+++ b/arch/arm/dts/k3-am642-r5-sk.dts
@@ -53,6 +53,10 @@
 	bootph-pre-ram;
 };
 
+&cbass_mcu {
+	bootph-pre-ram;
+};
+
 &mcu_esm {
 	bootph-pre-ram;
 };