debug: add debug output for received bytes #125

Job	Run time
Build Test (EtherENC): megaavr:uno2018	50s
Build Test (Ethernet): avr:uno	49s
Build Test (EtherENC): samd:mkrwifi1010	1m 14s
Build Test (WiFi): esp8266:generic	1m 49s
Build Test (Ethernet): megaavr:uno2018	53s
Build Test (EtherENC): samd:mkr1000	1m 12s
Build Test (ETH): esp32:esp32	3m 10s
Build Test (WiFi): esp32:esp32	2m 50s
Build Test (Ethernet): samd:mkrvidor4000	1m 8s
Build Test (ETH): esp32:esp32c3	2m 58s
Build Test (EtherENC): samd:nano_33_iot	1m 13s
Build Test (WiFi): esp32:esp32c3	2m 55s
Build Test (Ethernet): samd:mkrwifi1010	1m 6s
Build Test (EtherENC): esp8266:generic	1m 30s
Build Test (Ethernet): samd:mkr1000	1m 4s
Build Test (EtherENC): esp32:esp32	2m 16s
Build Test (Ethernet): samd:nano_33_iot	1m 11s
Build Test (WiFiNINA): megaavr:uno2018	46s
Build Test (EtherENC): esp32:esp32c3	2m 16s
Build Test (WiFiS3): renesas_uno:unor4wifi	1m 9s
Build Test (Ethernet): esp8266:generic	1m 2s
Build Test (WiFiNINA): samd:mkrvidor4000	1m 15s
Build Test (Ethernet): esp32:esp32	1m 38s
Build Test (WiFiNINA): samd:mkrwifi1010	1m 5s
Build Test (Ethernet): esp32:esp32s3	1m 33s
Build Test (WiFiNINA): samd:nano_33_iot	1m 6s
Build Test (Ethernet): esp32:esp32c3	1m 35s
Build Test (Ethernet): rp2040:rpipicow	1m 4s
	42m 37s

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