mkdtimg: support create acpio/acpi image

It needs generate "acpio" and "acpi" partitions at build time,
as the same format as DTB/DTBO partition.

Fixes: 111871613
Test: sudo apt-get install acpica-tools
Test: m mkdtimg && cd system/libufdt/utils/tests
Test: ./mkdtimg_acpi_testdata.sh
Test: ./mkdtboimg_acpi_testdata.sh

Change-Id: I2aa9c6876846c18e8fe5a59572906c7577fca8ea