testbench: dont build testbench, tools and topologies in the source directory #23709

Job	Run time
manifest-check	2m 40s
build-linux (mnfst, imx8 imx8x)	4m 38s
build-linux (mnfst, ptl)	5m 36s
LP64-WIP	3m 34s
build-linux (mnfst, lnl)	4m 8s
build-windows (-d, mnfst, lnl)	9m 34s
build-windows (mnfst, tgl-h)	9m 22s
build-linux (mnfst, wcl imx95)	6m 4s
build-windows (mnfst, imx8m imx8ulp)	9m 46s
build-windows (mnfst, ptl)	10m 31s
build-linux (mnfst, tgl)	3m 57s
build-windows (mnfst, tgl)	8m 33s
build-windows (mnfst, mtl)	9m 36s
build-windows (mnfst, lnl)	8m 54s
build-linux (-d, mnfst, lnl)	4m 29s
build-windows (mnfst, imx8 imx8x)	9m 19s
build-linux (mnfst, tgl-h)	3m 58s
build-linux (mnfst, imx8m imx8ulp)	4m 25s
build-linux (mnfst, mtl)	4m 21s
compare-linux-win	25s
	2h 3m 50s

Provide feedback