arm: imx8: Move container parser and image to mach-imx common folder

Since we will re-use the container parser on imx8ulp, move the codes
to mach-imx

Signed-off-by: Ye Li <ye.li@nxp.com>

arch/arm/mach-imx/Makefile

@@ -68,6 +68,10 @@ obj-$(CONFIG_CMD_DEKBLOB) += cmd_dek.o
 obj-$(CONFIG_CMD_NANDBCB) += cmd_nandbcb.o
 endif
 
+ifeq ($(CONFIG_SPL_BUILD),y)
+obj-$(CONFIG_SPL_LOAD_IMX_CONTAINER) += image-container.o parse-container.o
+endif
+
 PLUGIN = board/$(BOARDDIR)/plugin
 
 ifeq ($(CONFIG_USE_IMXIMG_PLUGIN),y)

arch/arm/mach-imx/imx8/Makefile

@@ -8,7 +8,4 @@ obj-y += cpu.o iomux.o misc.o lowlevel_init.o
 obj-$(CONFIG_OF_SYSTEM_SETUP) += fdt.o
 obj-$(CONFIG_AHAB_BOOT) += ahab.o
 
-ifdef CONFIG_SPL_BUILD
-obj-$(CONFIG_SPL_LOAD_IMX_CONTAINER) += image.o parse-container.o
-endif
 obj-$(CONFIG_IMX_SNVS_SEC_SC) += snvs_security_sc.o