ipc: move delayed IPC sending to the primary core #1052

Job	Run time
LP64-WIP	4m 43s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	7m 3s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 11s
build-linux (mnfst, mtl)	5m 8s
build-windows (mtl)	6m 8s
build-linux (mnfst, lnl)	4m 31s
manifest-check	48s
build-windows (tgl tgl-h)	6m 53s
build-linux (mnfst, ptl)	4m 35s
build-windows (-d, mtl)	5m 59s
build-linux (mnfst, tgl tgl-h)	6m 5s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 45s
build-linux (zmain, mtl)	4m 52s
build-linux (zmain, lnl)	4m 34s
build-linux (zmain, ptl)	5m 19s
build-linux (zmain, tgl tgl-h)	5m 31s
build-linux (-d, mnfst, mtl)	4m 42s
build-linux (mnfst, --all)	14m 33s
compare-linux-win	27s
	1h 46m 47s

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