Example of loadable up_down_mixer #210

Job	Run time
LP64-WIP	3m 36s
build-windows (imx8 imx8x imx8m)	3m 33s
build-linux (mnfst, imx8 imx8x imx8m)	53s
build-windows (tgl tgl-h)	3m 19s
build-linux (mnfst, tgl tgl-h)	54s
manifest-check	51s
build-windows (mtl)	3m 24s
build-linux (mnfst, mtl)	52s
build-windows (-i IPC4 tgl tgl-h)	3m 58s
build-linux (mnfst, lnl)	41s
build-windows (-d, mtl)	2m 53s
build-linux (mnfst, -i IPC4 tgl tgl-h)	52s
build-linux (zmain, imx8 imx8x imx8m)	1m 5s
build-linux (zmain, tgl tgl-h)	1m 10s
build-linux (zmain, mtl)	1m 11s
build-linux (zmain, lnl)	1m 21s
build-linux (zmain, -i IPC4 tgl tgl-h)	1m 15s
build-linux (-d, mnfst, mtl)	56s
compare-linux-win	28s
	33m 12s

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