alsa_sound: Bring-up for SSR

- The string passeded to util property_get should be
  of length atleast 90 but it was of length 6 which was thorowing
  compilation error

- All calls to property_get under SSR macro are called with
  string length 128 to remove compilation error

Change-Id: I1c69b9b77278b2491ea3eaab287e874c41acb52e
Fix  build error