monitor/att: Add LTV deconding support for PAC/ASE

This adds decoding support for PAC/ASE attributes:

> ACL Data RX: Handle 42 flags 0x02 dlen 31
      Channel: 65 len 27 sdu 25 [PSM 39 mode Enhanced Credit (0x81)] {chan 1}
      ATT: Read Response (0x0b) len 24
        Value: 010600000000100301ff0002020302030305041e00f00000
          Number of PAC(s): 1
          PAC #0:
            Codec: LC3 (0x06)
            Codec Specific Capabilities #0: len 0x03 type 0x01
              Sampling Frequencies: 0x00ff
                8 Khz (0x0001)
                11.25 Khz (0x0002)
                16 Khz (0x0004)
                22.05 Khz (0x0008)
                24 Khz (0x0010)
                32 Khz (0x0020)
                44.1 Khz (0x0040)
                48 Khz (0x0080)
            Codec Specific Capabilities #1: len 0x02 type 0x02
              Frame Duration: 0x0003
                7.5 ms (0x01)
                10 ms (0x02)
            Codec Specific Capabilities #2: len 0x02 type 0x03
              Audio Channel Count: 0x03
                1 channel (0x01)
                2 channels (0x02)
            Codec Specific Capabilities #3: len 0x05 type 0x04
              Frame Length: 30 (0x001e) - 240 (0x00f0)
> ACL Data RX: Handle 42 flags 0x02 dlen 30
      Channel: 64 len 26 sdu 24 [PSM 39 mode Enhanced Credit (0x81)] {chan 0}
      ATT: Write Command (0x52) len 23
        Handle: 0x0036 Type: ASE Control Point (0x2bc6)
          Data: 010101020206000000000a02010302020103042800
            Opcode: Codec Configuration (0x01)
            Number of ASE(s): 1
            ASE: #0
            ASE ID: 0x01
            Target Latency: Balance Latency/Reliability (0x02)
            PHY: 0x02
            LE 2M PHY (0x02)
            Codec: LC3 (0x06)
            Codec Specific Configuration #0: len 0x02 type 0x01
            Sampling Frequency: 16 Khz (0x03)
            Codec Specific Configuration #1: len 0x02 type 0x02
            Frame Duration: 10 ms (0x01)
            Codec Specific Configuration #2: len 0x03 type 0x04
            Frame Length: 40 (0x0028)
3 files changed