zephyr: userspace: Fix compilation options #804

Job	Run time
manifest-check	52s
LP64-WIP	3m 30s
build-windows (imx8 imx8x imx8m imx8ulp)	9m 34s
build-windows (mtl lnl)	8m 11s
build-windows (tgl tgl-h)	7m 27s
build-windows (-d, lnl)	6m 19s
build-windows (ptl)	6m 31s
build-linux (zmain, mtl lnl)	5m 25s
build-linux (mnfst, ptl)	4m 2s
build-linux (mnfst, tgl tgl-h)	5m 42s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 19s
build-linux (mnfst, mtl lnl)	5m 27s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 18s
build-linux (zmain, ptl)	4m 46s
build-linux (-d, mnfst, lnl)	4m 56s
build-linux (zmain, tgl tgl-h)	6m 0s
build-linux (mnfst, --all)	16m 21s
compare-linux-win	1m 21s
	1h 49m 1s

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