usb: dwc3-msm: Add voting for mock UTMI clock
usb: dwc3-msm: Add voting for mock UTMI clock

Starting with 8974v2 the mock UTMI clock is required to allow
DWC3 to operate properly in host mode.

Change-Id: Ib4e765fd891b2ae82d4cfb591adecf115a08fbf8
Signed-off-by: Jack Pham <cbd79eb9617449d4bb49d0087b0eb70c6cf062b0@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas