Integrate u-boot-seco-imx/seco_lf_v2021.04-gm_928
Commit: edgehog/bsp/nxp/u-boot-seco-imx@8dcbaecd
[928] fix video settings
- fix overlays naming
- fix hdmi+lvds, lvds+hdmi overlay definition
- add bpp specification to HDMI
Commit: edgehog/bsp/nxp/u-boot-seco-imx@8dcbaecd
[928] fix video settings