ASoC: wcd: enable regulators and interrupts properly

Ensure required regulators are enabled during plug type determation
otherwise it will effect Plug determination.
call enable_irq_wake properly for all the interrutps otherwise headset
won't get detected when device is in sleep mode.

CRs-Fixed: 685319 685322
Change-Id: I3f10bb4f21bdc47c3f9882ae5fc668a942390a76
Signed-off-by: Yeleswarapu Nagaradhesh <nagaradh@codeaurora.org>