firmware-imx8mn-bsh-smm-s2-uboot: Update and support S2 variant
U-boot has updated these board names and also added support for the SMM S2 variant. Update the CI pipeline.
🟠 v2026dev0 entered Soft Code Freeze/Hard Feature Freeze, only bug fixes will be accepted • schedule
U-boot has updated these board names and also added support for the SMM S2 variant. Update the CI pipeline.