Add single buffer mode option to USB CDC to fix off-by-one corruption #590

Job	Run time
Check CMake usage (NUCLEO_F091RC)	39s
Check CMake usage (NUCLEO_F103RB)	43s
Check CMake usage (NUCLEO_F207ZG)	39s
Check CMake usage (NUCLEO_F303RE)	45s
Check CMake usage (NUCLEO_F411RE)	46s
Check CMake usage (NUCLEO_F767ZI)	40s
Check CMake usage (NUCLEO_G0B1RE)	40s
Check CMake usage (NUCLEO_G474RE)	45s
Check CMake usage (NUCLEO_H563ZI)	41s
Check CMake usage (NUCLEO_H743ZI2)	44s
Check CMake usage (NUCLEO_L073RZ)	40s
Check CMake usage (NUCLEO_L152RE)	37s
Check CMake usage (NUCLEO_L476RG)	45s
Check CMake usage (NUCLEO_L552ZE_Q)	37s
Check CMake usage (NUCLEO_U575ZI_Q)	42s
Check CMake usage (P_NUCLEO_WB55RG)	35s
Check CMake usage (NUCLEO_WBA55CG)	33s
Check CMake usage (NUCLEO_WL55JC1)	35s
	12m 6s

Provide feedback