tools: imx8mimage: fix HDMI/FIT parsing

Add missed break for HDMI entry.
And moving FIT parsing earlier, because it does not have parameter,
it will not runs into CFG_REG_SIZE.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
1 file changed