userspace: proxy: use a separate worker per core #23670

Job	Run time
manifest-check	2m 48s
LP64-WIP	3m 30s
build-windows (mnfst, tgl)	8m 28s
build-linux (mnfst, tgl-h)	3m 47s
build-linux (mnfst, wcl imx95)	5m 51s
build-linux (mnfst, imx8 imx8x)	4m 36s
build-linux (-d, mnfst, lnl)	4m 18s
build-windows (-d, mnfst, lnl)	7m 21s
build-windows (mnfst, imx8 imx8x)	8m 32s
build-linux (mnfst, ptl)	5m 16s
build-windows (mnfst, ptl)	8m 26s
build-windows (mnfst, mtl)	8m 45s
build-linux (mnfst, imx8m imx8ulp)	4m 21s
build-windows (mnfst, tgl-h)	8m 52s
build-linux (mnfst, tgl)	4m 3s
build-windows (mnfst, lnl)	7m 47s
build-linux (mnfst, lnl)	4m 13s
build-linux (mnfst, mtl)	4m 25s
build-windows (mnfst, imx8m imx8ulp)	10m 31s
compare-linux-win	25s
	1h 56m 15s

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