LLEXT: simple changes #19843

Job	Run time
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	7m 6s
build-linux (mnfst, mtl lnl)	5m 48s
build-linux (mnfst, ptl)	5m 14s
build-linux (mnfst, tgl tgl-h)	5m 39s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 47s
build-linux (zmain, mtl lnl)	5m 57s
build-linux (zmain, ptl)	4m 47s
build-linux (zmain, tgl tgl-h)	6m 9s
build-linux (-d, mnfst, lnl)	4m 50s
build-linux (mnfst, --all)	14m 49s
LP64-WIP	4m 7s
manifest-check	48s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 18s
build-windows (mtl lnl)	7m 41s
build-windows (ptl)	5m 55s
build-windows (tgl tgl-h)	6m 34s
build-windows (-d, lnl)	6m 18s
compare-linux-win	28s
	1h 47m 15s

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