msm: clock-krypton: Add device entries for USB dwc3 controller

Add device name strings in the clock lookup table for USB DWC3
controller so that the clocks can be controlled (enable/disable/set
frequency) from the device driver.

Change-Id: Ib39c808334bcaacd7944fcbbbf7f2df10736d0e1
Signed-off-by: Maya Erez <merez@codeaurora.org>