board: fsl: lx2160a: Add support to reset to eMMC

Add support of "qixis_reset emmc" command for lx2160a based platforms

Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
4 files changed