waves: add support for IPC4 compilation, including as LLEXT #19666

Job	Run time
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 23s
LP64-WIP	4m 26s
build-linux (mnfst, mtl)	4m 51s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 8s
build-linux (mnfst, lnl)	4m 33s
build-windows (mtl)	6m 24s
build-linux (mnfst, ptl)	4m 27s
build-windows (tgl tgl-h)	6m 46s
manifest-check	53s
build-linux (mnfst, tgl tgl-h)	5m 29s
build-windows (-d, mtl)	7m 1s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	7m 14s
build-linux (zmain, mtl)	4m 33s
build-linux (zmain, lnl)	4m 41s
build-linux (zmain, ptl)	5m 15s
build-linux (zmain, tgl tgl-h)	5m 27s
build-linux (-d, mnfst, mtl)	4m 35s
build-linux (mnfst, --all)	13m 42s
compare-linux-win	28s
	1h 45m 16s

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