audio: eq_iir: Improve robustness for invalid configuration #23659

Job	Run time
manifest-check	3m 4s
build-windows (mnfst, tgl)	9m 51s
LP64-WIP	3m 51s
build-windows (-d, mnfst, lnl)	10m 39s
build-windows (mnfst, ptl)	9m 54s
build-linux (mnfst, imx8 imx8x)	4m 46s
build-linux (mnfst, tgl)	3m 55s
build-windows (mnfst, imx8 imx8x)	10m 41s
build-windows (mnfst, lnl)	9m 36s
build-windows (mnfst, imx8m imx8ulp)	8m 40s
build-linux (mnfst, ptl)	5m 2s
build-windows (mnfst, mtl)	7m 49s
build-linux (mnfst, imx8m imx8ulp)	4m 36s
build-linux (mnfst, tgl-h)	4m 20s
build-linux (-d, mnfst, lnl)	3m 51s
build-linux (mnfst, lnl)	4m 33s
build-linux (mnfst, mtl)	3m 57s
build-windows (mnfst, tgl-h)	11m 22s
build-linux (mnfst, wcl imx95)	6m 2s
compare-linux-win	36s
	2h 7m 5s

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