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/include/mach/spl.h b/arch/arm/mach-k3/include/mach/spl.h
index 6f01ab5..8394277 100644
--- a/arch/arm/mach-k3/include/mach/spl.h
+++ b/arch/arm/mach-k3/include/mach/spl.h
@@ -34,4 +34,8 @@
 #include "j784s4_spl.h"
 #endif
 
+#ifdef CONFIG_SOC_K3_AM62P5
+#include "am62p_spl.h"
+#endif
+
 #endif /* _ASM_ARCH_SPL_H_ */