manifests/default.xml: Update source revision on meta-seco-imx.
    Add a new partition scheme in wic input file for seco-imx8mm-c61.

    rauc/rauc-conf.inc: Add rauc slot A/B definitions.

    sysota/sysota_git.bb: Add seco-imx8mm-c61 model and bootloader type.

    bundles/oniro-bundle-base.bb Add target bundle compatibility string.

Signed-off-by: Natalia Kovalenko <waykovalenko@gmail.com>