fix(usb) compile tinyusb_net.c when RNDIS is enabled (IEC-96)

[voedipus]

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Change description

RNDIS and ECM were not working when selected in menuconfig

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[tore-espressif]

@voedipus Thank you for the PR!
Does the RNDIS configuration work with your device?

we did not test RNDIS, only NCM. That is why why enabled NCM only

[voedipus]

@tore-espressif Actually, it is not working with this MR, but I was able to get RNDIS working with couple of other fixes. I will add changes soon

[voedipus]

@tore-espressif It works now, checked on Linux with esp idf 5.1.3 and Windows 10 (RNDIS)

[tore-espressif]

Thank you very much for this PR!

I'm still not sure whether we want to claim support form ECM/RNDIS when we already support NCM. I'll check internally and let you know

[tore-espressif]

Can we keep it tha way it was? ECM+RNDIS together? There are 2 reasons for this:

1. The TinyUSB driver has ECM+RNDIS protocol together
2. We usually don't want to enable ECM and disalble RNDIS (or vice versa). RNDIS works with windows, while ECM workds with linux and macOS. Only with both we can support all operating systems