waves: add support for IPC4 compilation, including as LLEXT #19668

Job	Run time
LP64-WIP	4m 45s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 29s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 29s
build-windows (mtl)	6m 8s
manifest-check	46s
build-linux (mnfst, mtl)	5m 27s
build-windows (tgl tgl-h)	7m 41s
build-windows (-d, mtl)	5m 55s
build-linux (mnfst, lnl)	5m 4s
build-linux (mnfst, ptl)	5m 8s
build-linux (mnfst, tgl tgl-h)	5m 22s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 48s
build-linux (zmain, mtl)	4m 43s
build-linux (zmain, lnl)	4m 22s
build-linux (zmain, ptl)	4m 29s
build-linux (zmain, tgl tgl-h)	5m 24s
build-linux (-d, mnfst, mtl)	4m 56s
build-linux (mnfst, --all)	13m 57s
compare-linux-win	1m 15s
	1h 47m 8s

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