userspace: proxy: Add support for llext modules #22714

Job	Run time
LP64-WIP	1m 19s
manifest-check	30s
build-windows (tgl)	1s
build-windows (imx8 imx8x)	4s
build-windows (imx8m imx8ulp)	1s
build-windows (lnl)	1m 17s
build-windows (ptl)	1s
build-windows (tgl-h)	1s
build-windows (-d, lnl)	1m 18s
build-linux (zmain, lnl)	1s
build-windows (mtl)	1s
build-linux (mnfst, lnl)	1s
build-linux (zmain, imx8 imx8x)	1s
build-linux (mnfst, imx8m imx8ulp)	1m 18s
build-linux (mnfst, ptl)	1s
build-linux (zmain, imx8m imx8ulp)	1s
build-linux (mnfst, tgl)	1s
build-linux (mnfst, tgl-h)	1s
build-linux (mnfst, imx8 imx8x)	1s
build-linux (zmain, mtl)	1s
build-linux (zmain, tgl-h)	1s
build-linux (mnfst, mtl)	1s
build-linux (zmain, ptl)	1s
build-linux (zmain, tgl)	1s
build-linux (mnfst, wcl imx95)	1s
build-linux (-d, mnfst, lnl)	1s
compare-linux-win	22s
	6m 28s

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