ARM: dts: msm: Update MSM8939 BIMC frequencies

Modify BIMC frequency from 175.2 MHz to 172.8 MHz.
Also fix other wrong bandwidth values.

CRs-Fixed: 796411
Change-Id: I1af113c8deb936931c59236cc059cb2cdebef85e
Signed-off-by: Arun KS <arunks@codeaurora.org>