MSC broken on Matek F722-WPX

[b14ckyy]

Current Behavior

If MSC mode is enabled via CLI on the F722-WPX Flight Controller, the FC will freeze and not show mass storage device on PC

Steps to Reproduce

1. Flash INAV 2.5.1 from Matek with SD and baro drivers or INAV 2.6 Alpha 2
2. go to CLI and type "msc" and hit enter
3. Windows will play disconnect and connect sound and configurator shows "Rebooting" message
4. COM-Port still shown as available in configurator and device manager and no mass storage device will be shown

Expected behavior

COM-Port should disappear and a mass storage device should pop up

Suggested solution(s)

Bugfix

Additional context

Tested on 2 different Windows 10 PCs. All drivers working for configuration and flashing Tested with a F405 Wing FC and same INAV 2.6 Alpha2 Build and works fine there Same issue reported by another user on Facebook with same FC and 2 different PCs Possible also F722-PX affected and @MrD-RC will test that on his

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• FC Board name and vendor: Mateksys F722-WPX Wing

• INAV version string: INAV/MATEKF722WPX 2.6.0 Nov 6 2020 / 14:17:31 (d0046f30) GCC-9.2.1 20191025 (release) [ARM/arm-9-branch revision 277599]

[stronnag]

Duplicate of #5860

[b14ckyy]

Duplicate of #5860

Ah damn. I just recently mentioned that to you and you said most likely a driver problem and I have excluded that now. I have not searched for the issue. So sorry for the duplicate.