rtnr: clamp host-supplied control element counts #23533

Job	Run time
build-linux (mnfst, tgl)	3m 53s
manifest-check	2m 53s
build-linux (mnfst, imx8 imx8x)	5m 5s
build-windows (mnfst, imx8 imx8x)	10m 4s
build-linux (mnfst, mtl)	4m 31s
build-linux (mnfst, tgl-h)	4m 17s
build-windows (mnfst, lnl)	8m 34s
build-windows (mnfst, ptl)	10m 41s
LP64-WIP	3m 51s
build-windows (-d, mnfst, lnl)	9m 43s
build-windows (mnfst, mtl)	10m 13s
build-linux (mnfst, ptl)	6m 0s
build-windows (mnfst, tgl-h)	9m 29s
build-linux (mnfst, imx8m imx8ulp)	5m 11s
build-linux (mnfst, lnl)	4m 45s
build-windows (mnfst, imx8m imx8ulp)	11m 3s
build-windows (mnfst, tgl)	9m 30s
build-linux (mnfst, wcl imx95)	7m 20s
build-linux (-d, mnfst, lnl)	4m 30s
compare-linux-win	27s
	2h 12m 0s

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