drivers: intel: remove remaining references to MN driver #732

Job	Run time
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 0s
build-linux (mnfst, mtl)	4m 31s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 14s
build-linux (mnfst, lnl)	4m 25s
build-windows (mtl)	6m 44s
build-linux (mnfst, tgl tgl-h)	5m 17s
build-windows (tgl tgl-h)	8m 52s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 16s
build-windows (-d, mtl)	6m 54s
build-linux (zmain, mtl)	4m 19s
build-linux (zmain, lnl)	4m 18s
build-linux (zmain, tgl tgl-h)	5m 29s
LP64-WIP	2m 59s
build-linux (-d, mnfst, mtl)	4m 29s
build-linux (mnfst, --all)	12m 10s
manifest-check	54s
compare-linux-win	29s
	1h 32m 20s

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