le_print: dump Opcode value and name in the case of LL Control PDU.
Merge pull request #2 from krasin/control-pdu-opcode

le_print: dump Opcode value and name in the case of LL Control PDU.
le_print: dump new LL control opcodes from Bluetooth 4.1
le_print: update count to reference total number of new opcodes
Merge remote-tracking branch 'upstream/master'