LL userspace ipc_msg_send() and send_resource_notif() syscalls and related changes #22971

Job	Run time
LP64-WIP	3m 8s
manifest-check	2m 44s
build-windows (mnfst, imx8m imx8ulp)	6m 39s
build-windows (mnfst, lnl)	6m 35s
build-linux (-d, mnfst, lnl)	3m 24s
build-linux (mnfst, imx8m imx8ulp)	3m 12s
build-windows (mnfst, tgl-h)	7m 29s
build-linux (mnfst, mtl)	4m 18s
build-windows (mnfst, imx8 imx8x)	7m 23s
build-windows (-d, mnfst, lnl)	8m 52s
build-windows (mnfst, ptl)	6m 49s
build-windows (mnfst, mtl)	6m 56s
build-windows (mnfst, tgl)	6m 33s
build-linux (mnfst, ptl)	3m 21s
build-linux (mnfst, imx8 imx8x)	2m 57s
build-linux (mnfst, lnl)	3m 29s
build-linux (mnfst, tgl-h)	3m 35s
build-linux (mnfst, tgl)	3m 58s
build-linux (mnfst, wcl imx95)	4m 37s
compare-linux-win	21s
	1h 36m 20s

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