audio: copier: fix channel and memcpy validation #23584

Job	Run time
manifest-check	2m 45s
LP64-WIP	3m 33s
build-windows (mnfst, lnl)	7m 27s
build-windows (mnfst, tgl)	8m 2s
build-linux (-d, mnfst, lnl)	4m 3s
build-linux (mnfst, mtl)	4m 4s
build-windows (mnfst, imx8 imx8x)	10m 33s
build-linux (mnfst, imx8 imx8x)	4m 40s
build-windows (mnfst, ptl)	10m 16s
build-windows (mnfst, mtl)	8m 38s
build-windows (-d, mnfst, lnl)	9m 15s
build-linux (mnfst, ptl)	5m 22s
build-linux (mnfst, lnl)	4m 2s
build-linux (mnfst, wcl imx95)	5m 44s
build-windows (mnfst, imx8m imx8ulp)	9m 30s
build-windows (mnfst, tgl-h)	7m 40s
build-linux (mnfst, tgl-h)	3m 59s
build-linux (mnfst, tgl)	3m 55s
build-linux (mnfst, imx8m imx8ulp)	4m 40s
compare-linux-win	25s
	1h 58m 33s

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