Debug prints for cennso 2278 functional e2 e validation in customer environment

[td2501]

Example prints:

af_packet_device_class_tx_fn_hsw:440: DEBUG: buffer offsets: b: 0x1002747480, l2: 0, l3: 0, l4: 0, curr: -14, len: 42
af_packet_device_class_tx_fn_hsw:456: DEBUG: AF_PACKET TX TPv3: offset: 10
debug_dump_buffer:297: DEBUG: AF_PACKET TX TPv3: buf: len: 42, dump: ff ff ff ff ff ff 02 fe 40 6f 00 2c 08 06 00 01 08 00 06 04 00 01 02 fe 40 6f 00 2c c0 a8 45 01 00 00 00 00 00 00 c0 a8 45 03 
debug_dump_buffer:297: DEBUG: AF_PACKET TX TPv3: hdr: len: 58, dump: 00 00 00 00 00 00 00 00 00 00 00 00 34 00 00 00 34 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
af_packet_device_class_tx_fn_hsw:440: DEBUG: buffer offsets: b: 0x1002745740, l2: 0, l3: 0, l4: 0, curr: -14, len: 42
af_packet_device_class_tx_fn_hsw:456: DEBUG: AF_PACKET TX TPv3: offset: 10
debug_dump_buffer:297: DEBUG: AF_PACKET TX TPv3: buf: len: 42, dump: ff ff ff ff ff ff 02 fe 40 6f 00 2c 08 06 00 01 08 00 06 04 00 01 02 fe 40 6f 00 2c c0 a8 45 01 00 00 00 00 00 00 c0 a8 45 03 
debug_dump_buffer:297: DEBUG: AF_PACKET TX TPv3: hdr: len: 58, dump: 00 00 00 00 00 00 00 00 00 00 00 00 34 00 00 00 34 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00