zephyr: userspace: Fix compilation options #802

Job	Run time
LP64-WIP	4m 0s
manifest-check	50s
build-windows (mtl lnl)	10m 15s
build-windows (imx8 imx8x imx8m imx8ulp)	9m 17s
build-windows (tgl tgl-h)	7m 45s
build-linux (mnfst, --all)	16m 3s
build-linux (mnfst, tgl tgl-h)	5m 24s
build-windows (ptl)	6m 18s
build-linux (-d, mnfst, lnl)	4m 39s
build-windows (-d, lnl)	6m 8s
build-linux (mnfst, mtl lnl)	6m 7s
build-linux (zmain, tgl tgl-h)	5m 16s
build-linux (zmain, mtl lnl)	6m 17s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 34s
build-linux (zmain, ptl)	4m 29s
build-linux (mnfst, ptl)	4m 38s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 23s
compare-linux-win	1m 19s
	1h 51m 42s

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