Math: IIR DF1: Optimizations for HiFi4 and HiFi5 #19416

Job	Run time
LP64-WIP	3m 48s
manifest-check	52s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 13s
build-linux (mnfst, mtl)	4m 46s
build-linux (mnfst, lnl)	4m 20s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 45s
build-linux (mnfst, tgl tgl-h)	5m 33s
build-windows (mtl)	5m 38s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	5m 52s
build-windows (tgl tgl-h)	6m 28s
build-linux (zmain, mtl)	4m 26s
build-windows (-d, mtl)	6m 3s
build-linux (zmain, lnl)	4m 36s
build-linux (zmain, tgl tgl-h)	5m 16s
build-linux (-d, mnfst, mtl)	4m 23s
build-linux (mnfst, --all)	12m 41s
compare-linux-win	21s
	1h 30m 1s

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