ARM: dts: msm: Introduce bus topology for mdmcalifornium

Introduce the bus topology for mdmcalifornium. The bus topology
is used by the bus scaling driver to honor bandwidth requests from
various clients.

Change-Id: I4e08f84cd9dc76c44959f48c2490ec4927dbff58
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Signed-off-by: Ankit Gupta <ankgupta@codeaurora.org>