ASoC: wcd9330: Update codec register config to enable cdc_intr2

Update codec register configuration to enable
interrupt-2 line. MAD interrupt is routed to the
DSP via cdc_intr2 if MAD HW block detects any
significant microphone activity.

Change-Id: I61cdbe55721d8a0386ddc4bcab9467eb808b5870
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>