Integrate meta-seconorth-distro/emc-testing
Commit: seco-ne/yocto-imx93/layers/meta-seconorth-distro@41a519c3
conf: Set preferred version for ltp
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Commit: seco-ne/yocto-imx93/layers/meta-seconorth-distro@6b0c1b37
bsp:images: Append emc-test packages to images