Audio: aec: optimize acoustic echo cancellation processing #380

Job	Run time
LP64-WIP	3m 46s
build-windows (imx8 imx8x imx8m imx8ulp)	6m 57s
build-windows (mtl)	6m 12s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	5m 20s
build-windows (tgl tgl-h)	6m 28s
manifest-check	38s
build-linux (mnfst, mtl)	3m 59s
build-windows (-d, mtl)	4m 51s
build-linux (mnfst, lnl)	4m 13s
build-linux (mnfst, tgl tgl-h)	5m 12s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	3m 18s
build-linux (zmain, mtl)	3m 21s
build-linux (zmain, lnl)	3m 23s
build-linux (zmain, tgl tgl-h)	3m 53s
build-linux (-d, mnfst, mtl)	4m 6s
compare-linux-win	20s
	1h 5m 57s

Provide feedback