Fix missing protoype warning, change TUD_EPBUF_TYPE_DEF order #504

Job	Run time
set-matrix	3s
build (arm-gcc) / family (-b feather_nrf52840_express)	49s
build (arm-gcc) / family (-b max32666fthr)	1m 9s
build (esp-idf) / family (-b espressif_p4_function_ev)	8m 23s
build (esp-idf) / family (-b espressif_p4_function_ev -f1 CFG_TUD_DWC2_DMA_ENABLE -f1 CFG_TUH_DWC2_DMA_ENABLE)	8m 45s
build (arm-gcc) / family (-b metro_m4_express)	1m 5s
build (arm-gcc) / family (-b lpcxpresso11u37)	32s
build (esp-idf) / family (-b espressif_s3_devkitm)	8m 4s
build (esp-idf) / family (-b espressif_s3_devkitm -f1 CFG_TUD_DWC2_DMA_ENABLE)	8m 19s
build (arm-gcc) / family (-b ra4m1_ek)	39s
build (arm-gcc) / family (-b raspberry_pi_pico)	1m 59s
build (arm-gcc) / family (-b raspberry_pi_pico2)	2m 12s
build (arm-gcc) / family (-b stm32f072disco)	44s
build (arm-gcc) / family (-b stm32f723disco)	53s
build (arm-gcc) / family (-b stm32f723disco -f1 CFG_TUH_DWC2_DMA_ENABLE)	1m 5s
build (arm-gcc) / family (-b stm32h743nucleo)	56s
build (arm-gcc) / family (-b stm32h743nucleo -f1 CFG_TUD_DWC2_DMA_ENABLE)	53s
build (arm-gcc) / family (-b stm32g0b1nucleo)	45s
hil-tinyusb	2m 11s
	49m 26s

Provide feedback