Integrate linux-seco-imx/seco_lf-6.6.52-2.2.1_fix-gitignore
Commit: clea-os/bsp/nxp/linux-seco-imx@dc7ff00c
[REPO] Add firmware folder to gitignore
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Commit: clea-os/bsp/nxp/linux-seco-imx@37dc9440
Revert "[NON-FUNCTIONAL] Add firmware files to .gitignore"
This reverts commit fc45834633056e5d0e42de7c5c6179cabd6ee3d7.