schedule: use k_thread_cpu_pin() for CPU affinity #23728

Job	Run time
build-windows (mnfst, lnl)	9m 40s
build-windows (mnfst, mtl)	8m 6s
manifest-check	2m 58s
build-linux (mnfst, ptl)	5m 37s
build-windows (mnfst, tgl)	8m 9s
build-linux (mnfst, lnl)	4m 8s
build-windows (-d, mnfst, lnl)	10m 8s
LP64-WIP	3m 49s
build-linux (mnfst, tgl-h)	4m 12s
build-linux (mnfst, tgl)	3m 55s
build-linux (-d, mnfst, lnl)	4m 24s
build-windows (mnfst, imx8 imx8x)	9m 5s
build-linux (mnfst, wcl imx95)	5m 53s
build-linux (mnfst, mtl)	4m 19s
build-windows (mnfst, imx8m imx8ulp)	12m 59s
build-linux (mnfst, imx8 imx8x)	4m 26s
build-windows (mnfst, tgl-h)	8m 47s
build-windows (mnfst, ptl)	8m 27s
build-linux (mnfst, imx8m imx8ulp)	4m 44s
compare-linux-win	23s
	2h 4m 9s

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