ARM: dts: msm: update bus topology for msmgold

Update the bus topology of msmgold as there is a change
in topology compared to the msm8937, which was used earlier
for msmgold.

Change-Id: Iea144d464e4c1b7e398879327af79c39838e55f9
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>