fix usb_cdc example for lpc4337

[pridolfi]

see https://github.com/pridolfi/workspace/tree/fix/usb_cdc_lpc4337

[abend-arg]

Hi, is there any workaround for this? In the next line hungs completly using a EDU-CIAA.:

ret = USBD_API->hw->Init(&g_hUsb, &desc, &usb_param);

I assume that it is the bug for what this issue was opened for.

[pridolfi]

Hi, here is a CDC example for LPC4337:
https://github.com/pridolfi/workspace/tree/master/examples/usb_rom_cdc

This issue was opened because besides CDC another drivers require porting.

[abend-arg]

It worked like a charm, thanks!