[SX127x/RF69] Added setFifoThreshold #1575

Job	Run time
rpi-pico-build	43s
rpi-build	1m 38s
esp-build	4m 14s
arduino:avr:mega	8m 43s
tock-build	1m 46s
arduino:mbed:nano33ble	2m 17s
arduino:mbed:envie_m4	2m 17s
arduino:megaavr:uno2018	2m 16s
arduino:sam:arduino_due_x	2m 12s
arduino:samd:arduino_zero_native	2m 11s
adafruit:samd:adafruit_feather_m0	2m 16s
adafruit:nrf52:feather52832	2m 18s
esp32:esp32:esp32	2m 24s
esp8266:esp8266:generic	4m 34s
STMicroelectronics:stm32:GenF3:pnum=BLACKPILL_F303CC	3m 31s
STMicroelectronics:stm32:Nucleo_64:pnum=NUCLEO_WL55JC1	3m 33s
stm32duino:STM32F1:mapleMini	2m 8s
MegaCoreX:megaavr:4809	2m 3s
arduino:mbed_rp2040:pico	2m 16s
rp2040:rp2040:rpipico	2m 10s
CubeCell:CubeCell:CubeCell-Board	4m 24s
MegaCore:avr:1281	2m 20s
teensy:avr:teensy41	4m 3s
arduino:renesas_uno:minima	4m 17s
rpi-test	12s
	1h 10m 46s

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