Configure: RK_PACKAGE_FILE_AB to build update_ab.img RK_PACKAGE_FILE_SDCARD_UPDATE to build update_sdcard.img RK_PACKAGE_FILE_OTA to build update_ota.img Signed-off-by: Weiwen Chen <cww@rock-chips.com> Change-Id: I8beec81e55d22547d8902f36b84317680b7e94c6