tools: testbench: Add missing dependencies in README.md #20109

Job	Run time
LP64-WIP	4m 7s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 42s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 26s
build-windows (mtl lnl)	7m 31s
build-linux (mnfst, mtl lnl)	5m 45s
manifest-check	57s
build-windows (ptl)	6m 19s
build-linux (mnfst, ptl)	4m 25s
build-windows (tgl tgl-h)	6m 46s
build-linux (mnfst, tgl tgl-h)	5m 24s
build-windows (-d, lnl)	6m 49s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 21s
build-linux (zmain, mtl lnl)	5m 33s
build-linux (zmain, ptl)	13m 32s
build-linux (zmain, tgl tgl-h)	5m 17s
build-linux (-d, mnfst, lnl)	5m 14s
build-linux (mnfst, --all)	13m 45s
compare-linux-win	28s
	1h 53m 21s

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