LLEXT: libraries with multiple modules #19460

Job	Run time
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 29s
build-linux (mnfst, mtl)	4m 51s
build-linux (mnfst, lnl)	4m 34s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 45s
build-windows (mtl)	5m 51s
build-linux (mnfst, tgl tgl-h)	5m 7s
build-windows (tgl tgl-h)	6m 5s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 3s
build-windows (-d, mtl)	5m 52s
build-linux (zmain, mtl)	4m 34s
LP64-WIP	4m 0s
build-linux (zmain, lnl)	4m 16s
build-linux (zmain, tgl tgl-h)	5m 17s
manifest-check	48s
build-linux (-d, mnfst, mtl)	4m 49s
build-linux (mnfst, --all)	12m 8s
compare-linux-win	25s
	1h 29m 54s

Provide feedback