USB-Audio: Solid State Labs SSL 2 - fix capture channels

[GitHub pull_request - opened <github@xxxxxxxxxxxxxxxx>]

alsa-project/alsa-ucm-conf pull request #566 was opened from olfx:

Same fix as for SSL+, commit fc17ed4.
Capture configuration is the same, with 4 channels.

-- alsa-info --

Solid State Logic SSL 2 at usb-0000:00:14.0-1, high speed : USB Audio

Playback:
  Status: Stop
  Interface 1
    Altset 1
    Format: S32_LE
    Channels: 2
    Endpoint: 0x01 (1 OUT) (ASYNC)
    Rates: 44100, 48000, 88200, 96000, 176400, 192000
    Data packet interval: 125 us
    Bits: 24
    Channel map: FL FR
    Sync Endpoint: 0x81 (1 IN)
    Sync EP Interface: 2
    Sync EP Altset: 1
    Implicit Feedback Mode: Yes

Capture:
  Status: Stop
  Interface 2
    Altset 1
    Format: S32_LE
    Channels: 4
    Endpoint: 0x81 (1 IN) (ASYNC)
    Rates: 44100, 48000, 88200, 96000, 176400, 192000
    Data packet interval: 125 us
    Bits: 24
    Channel map: FL FR FC LFE

Request URL   : https://github.com/alsa-project/alsa-ucm-conf/pull/566
Patch URL     : https://github.com/alsa-project/alsa-ucm-conf/pull/566.patch
Repository URL: https://github.com/alsa-project/alsa-ucm-conf