To align with i.MX6UL, add the chip package size info to the i.MX6ULL ARM2 board build target and loading dtb file name. So that mfgtool and yocto can follow i.MX6UL naming rule to process i.MX6ULL.
Signed-off-by: Ye Li
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6ull_ddr3_arm2/imximage.cfg,SYS_BOOT_SPINOR" CONFIG_ARM=y CONFIG_ARCH_MX6=y CONFIG_TARGET_MX6ULL_DDR3_ARM2=y CONFIG_CMD_GPIO=y