hardware_probe: Fix rogue detection Some new board, eg. asurada, has the folder but doesn't use rogue. Instead, we check for the content of the folder to determine rogue. BUG=b:232574099 TEST=deploy to hana Change-Id: Ic7c823633a222c8394d63814a456e2962d57c386 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/graphics/+/3805485 Tested-by: Po-Hsien Wang <[email protected]> Reviewed-by: Ilja Friedel <[email protected]> Commit-Queue: Po-Hsien Wang <[email protected]>