update rootfs & images build shell script, use rsync instead tar to install...

guowenxue

2022-06-12 f2733b7bf062d8f560bfdc8b4583d21680351f01

 bsp/images/igkboard.json

@@ -16,8 +16,5 @@
        "${PRJ_PATH}/boot/*${BOARD}*.dtb":"${MNT_POINT}",
        "${PRJ_PATH}/boot/overlays":"${MNT_POINT}",
        "${PRJ_PATH}/boot/config*.txt":"${MNT_POINT}"
    },
    "BOOT_ROOTFS": {
        "${PRJ_PATH}/../rootfs/${ROOTFS_DIR}.tar.bz2":"${MNT_POINT}"
    }
}