mixin: Add eos notification #783

Job	Run time
LP64-WIP	3m 26s
manifest-check	53s
build-windows (mtl lnl)	6m 32s
build-windows (imx8 imx8x imx8m imx8ulp)	7m 19s
build-windows (ptl)	8m 10s
build-windows (-d, lnl)	6m 28s
build-windows (tgl tgl-h)	6m 50s
build-linux (mnfst, tgl tgl-h)	3m 47s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	3m 36s
build-linux (mnfst, mtl lnl)	3m 49s
build-linux (mnfst, ptl)	3m 56s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	3m 34s
build-linux (zmain, ptl)	4m 2s
build-linux (mnfst, --all)	4m 3s
build-linux (zmain, mtl lnl)	3m 57s
build-linux (-d, mnfst, lnl)	4m 9s
build-linux (zmain, tgl tgl-h)	4m 10s
compare-linux-win	1m 4s
	1h 19m 45s

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