ASoC: Remove redundant snd_soc_dapm_sync() call from max98088 driver

Change-Id: I7a23b2376f16d8731a9fd58962839cb138e08741
Sound/soc:Use module_platform_driver and save some more boiler-plate code.

Change-Id: Ic672a9ecc2c20a0090691752174b9461e8bc2fb8