Audio: MFCC: Updates to run MFCC in sof-testbench4 #22980

Job	Run time
LP64-WIP	4m 15s
build-windows (mnfst, imx8m imx8ulp)	13m 31s
build-windows (mnfst, ptl)	10m 33s
build-windows (mnfst, imx8 imx8x)	10m 19s
build-windows (mnfst, mtl)	10m 27s
build-windows (mnfst, tgl-h)	9m 28s
build-linux (mnfst, tgl)	4m 30s
build-linux (mnfst, lnl)	4m 53s
manifest-check	2m 52s
build-linux (mnfst, imx8m imx8ulp)	4m 49s
build-linux (-d, mnfst, lnl)	4m 56s
build-linux (mnfst, imx8 imx8x)	5m 12s
build-linux (mnfst, mtl)	4m 50s
build-linux (mnfst, wcl imx95)	6m 48s
build-linux (mnfst, ptl)	9m 31s
build-windows (mnfst, tgl)	9m 58s
build-windows (mnfst, lnl)	9m 4s
build-linux (mnfst, tgl-h)	4m 30s
build-windows (-d, mnfst, lnl)	9m 53s
compare-linux-win	33s
	2h 20m 52s

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