arm: mach-k3: Only build init files for SPL

The content of these files are only used in SPL builds. The contents are
already ifdef for the same, remove that and only include the whole file
in the build when building for SPL.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index 8459bef..e17ad22 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -3,16 +3,19 @@
 # Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
 #	Lokesh Vutla <lokeshvutla@ti.com>
 
-obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
-obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o j721e/ j7200/
-obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o j721s2/
-obj-$(CONFIG_SOC_K3_AM642) += am642_init.o
-obj-$(CONFIG_SOC_K3_AM625) += am625_init.o am62x/
+obj-$(CONFIG_SOC_K3_J721E) += j721e/ j7200/
+obj-$(CONFIG_SOC_K3_J721S2) += j721s2/
+obj-$(CONFIG_SOC_K3_AM625) += am62x/
 obj-$(CONFIG_ARM64) += arm64-mmu.o
 obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
 obj-$(CONFIG_TI_SECURE_DEVICE) += security.o
 obj-$(CONFIG_ARM64) += cache.o
 ifeq ($(CONFIG_SPL_BUILD),y)
+obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
+obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o
+obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o
+obj-$(CONFIG_SOC_K3_AM642) += am642_init.o
+obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
 obj-$(CONFIG_K3_LOAD_SYSFW) += sysfw-loader.o
 endif
 obj-y += common.o