audio: Re-initialize ACDB after SSR

- If Modem SSR happens during boot up, Audio HAL
  fails to initialize ACDB. It does not check the
  error from acdb_init and does not re-initialize
  when Sound Card is ONLINE after SSR
- Fix is to re-initialize ACDB after Sound Card is
  ONLINE

Change-Id: Icb7a7ca7bb682d55a3cc8f7b26dc0bf511c30a69

Conflicts:
	hal/msm8916/platform.c