Bluetooth: Store Resolv list size

When the controller supports the Read LE Resolv List size feature, the
maximum list size are read and now stored.

Before patch:
< HCI Command: LE Read White List... (0x08|0x000f) plen 0  #55 [hci0] 17.979791
> HCI Event: Command Complete (0x0e) plen 5                #56 [hci0] 17.980629
      LE Read White List Size (0x08|0x000f) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Clear White List (0x08|0x0010) plen 0    #57 [hci0] 17.980786
> HCI Event: Command Complete (0x0e) plen 4                #58 [hci0] 17.981627
      LE Clear White List (0x08|0x0010) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Maximum Dat.. (0x08|0x002f) plen 0  #59 [hci0] 17.981786
> HCI Event: Command Complete (0x0e) plen 12               #60 [hci0] 17.982636
      LE Read Maximum Data Length (0x08|0x002f) ncmd 1
        Status: Success (0x00)
        Max TX octets: 251
        Max TX time: 17040
        Max RX octets: 251
        Max RX time: 17040

After patch:
< HCI Command: LE Read White List... (0x08|0x000f) plen 0  #55 [hci0] 13.338168
> HCI Event: Command Complete (0x0e) plen 5                #56 [hci0] 13.338842
      LE Read White List Size (0x08|0x000f) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Clear White List (0x08|0x0010) plen 0    #57 [hci0] 13.339029
> HCI Event: Command Complete (0x0e) plen 4                #58 [hci0] 13.339939
      LE Clear White List (0x08|0x0010) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Resolving L.. (0x08|0x002a) plen 0  #59 [hci0] 13.340152
> HCI Event: Command Complete (0x0e) plen 5                #60 [hci0] 13.340952
      LE Read Resolving List Size (0x08|0x002a) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Read Maximum Dat.. (0x08|0x002f) plen 0  #61 [hci0] 13.341180
> HCI Event: Command Complete (0x0e) plen 12               #62 [hci0] 13.341898
      LE Read Maximum Data Length (0x08|0x002f) ncmd 1
        Status: Success (0x00)
        Max TX octets: 251
        Max TX time: 17040
        Max RX octets: 251
        Max RX time: 17040

Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>