stm32/usb: Allocate 128 bytes to CDC data out EPs on non-multi-OTG MCUs.
stm32/usb: Allocate 128 bytes to CDC data out EPs on non-multi-OTG MCUs.

This much buffer space is required for CDC data out endpoints to avoid any
buffer overflows when the USB CDC is saturated with data.

Signed-off-by: Damien George <99e6b749acbfbe2a596df99e91d24d6e1fdbee00@micropython.org>

adafruit/circuitpython,henriknelson/micropython,henriknelson/micropython,bvernoux/micropython,adafruit/circuitpython,henriknelson/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,bvernoux/micropython,bvernoux/micropython,henriknelson/micropython,bvernoux/micropython,adafruit/circuitpython,henriknelson/micropython,bvernoux/micropython