ASoC: wcd9330: Update driver for 12.288MHz clock support

MDM 9x07 provides Mclk at 12.288MHz frequency. To enable
the RCO clock at same frequency for headset accessory
type identification and button press/release detection,
add support in wcd9xxx-resmgr and wcd9330 drivers.

CRs-fixed: 1009668
Change-Id: I5f728abf8934f0a45eb1fe564fe872736b90a4b2
Signed-off-by: Viraja Kommaraju <virajak@codeaurora.org>