LLEXT: build libraries #19494

Job	Run time
manifest-check	53s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 12s
build-linux (mnfst, mtl)	4m 25s
build-linux (mnfst, lnl)	4m 18s
build-linux (mnfst, tgl tgl-h)	5m 13s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 7s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	5m 50s
LP64-WIP	3m 48s
build-windows (mtl)	5m 47s
build-linux (zmain, mtl)	4m 24s
build-windows (tgl tgl-h)	6m 53s
build-linux (zmain, lnl)	4m 15s
build-linux (zmain, tgl tgl-h)	5m 11s
build-windows (-d, mtl)	6m 6s
build-linux (-d, mnfst, mtl)	4m 46s
build-linux (mnfst, --all)	12m 13s
compare-linux-win	22s
	1h 28m 43s

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