zephyr: userspace: Fix compilation options #771

Job	Run time
manifest-check	47s
build-windows (ptl)	5m 24s
LP64-WIP	3m 45s
build-windows (mtl lnl)	7m 26s
build-windows (tgl tgl-h)	6m 16s
build-windows (-d, lnl)	6m 28s
build-windows (imx8 imx8x imx8m imx8ulp)	5m 12s
build-linux (mnfst, mtl lnl)	5m 45s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	4m 17s
build-linux (mnfst, ptl)	4m 27s
build-linux (mnfst, tgl tgl-h)	3m 58s
build-linux (mnfst, --all)	3m 47s
build-linux (zmain, mtl lnl)	5m 45s
build-linux (-d, mnfst, lnl)	4m 13s
build-linux (zmain, tgl tgl-h)	4m 33s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	4m 34s
build-linux (zmain, ptl)	4m 16s
compare-linux-win	1m 20s
	1h 22m 13s

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