Integrate meta-seco-imx/sf/eDP

Commit: clea-os/layers/seco/meta-seco-imx@4c329899

[FIRMWARE][i.MX8] Change version of DP and HDMI firmware

DP is not functional with the signed_dp_imx8m.bin currently available in BSP from
package firmware-imx-8m_8.18: replace it with signed_dp_imx8m.bin from package
firmware-imx-8m_8.11, tested and working with:
-boe nv133fhm n62
-g156han03
-ivo m133nvf4
The hdmi firmware was also changed to mantain same version, this was tested with:
-HTNZIR 14 Inches

The validation report can be seen at https://secogroup.atlassian.net/wiki/spaces/SW/pages/2498002945/C20+Validation+report+-+eDP+and+HDMI+new+firmware