arch: mach-k3: introduce basic files to support the am62px SoC family

Introduce the basic functions and definitions needed to properly
initialize TI's am62p family of SoCs

Signed-off-by: Bryan Brattlof <bb@ti.com>
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index 310a4c2..6ee9864 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -22,5 +22,6 @@
 obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
 obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_init.o
 obj-$(CONFIG_SOC_K3_J784S4) += j784s4_init.o
+obj-$(CONFIG_SOC_K3_AM62P5) += am62p5_init.o
 endif
 obj-y += common.o security.o