arm: dts: am625_sk: Switch to OF_UPSTREAM

Enable OF_UPSTREAM for am625-sk board. Remove DT files that
are now available in dts/upstream. Update the appended files based on
version of latest OF_UPSTREAM sync point (v6.10-rc1).

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
diff --git a/arch/arm/dts/k3-am625-sk-binman.dtsi b/arch/arm/dts/k3-am625-sk-binman.dtsi
index dfd38d6..db3a3e9 100644
--- a/arch/arm/dts/k3-am625-sk-binman.dtsi
+++ b/arch/arm/dts/k3-am625-sk-binman.dtsi
@@ -141,7 +141,7 @@
 
 #ifdef CONFIG_TARGET_AM625_A53_EVM
 
-#define SPL_AM625_SK_DTB "spl/dts/k3-am625-sk.dtb"
+#define SPL_AM625_SK_DTB "spl/dts/ti/k3-am625-sk.dtb"
 #define AM625_SK_DTB "u-boot.dtb"
 
 &binman {