west: Change zephyr revision #767

Job	Run time
manifest-check	50s
LP64-WIP	3m 40s
build-windows (tgl tgl-h)	6m 25s
build-linux (mnfst, tgl tgl-h)	3m 32s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	3m 26s
build-windows (-d, lnl)	6m 25s
build-windows (imx8 imx8x imx8m imx8ulp)	5m 24s
build-linux (mnfst, ptl)	4m 20s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	3m 35s
build-windows (mtl lnl)	7m 45s
build-windows (ptl)	6m 23s
build-linux (mnfst, mtl lnl)	5m 42s
build-linux (zmain, mtl lnl)	5m 48s
build-linux (zmain, ptl)	4m 0s
build-linux (-d, mnfst, lnl)	4m 21s
build-linux (zmain, tgl tgl-h)	3m 43s
build-linux (mnfst, --all)	3m 52s
compare-linux-win	25s
	1h 19m 36s

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