ARM: dts: msm: Move all device nodes to khaje.dtsi

For khaje.dtsi, we were including bengal.dtsi, but that
resulted in redefinition errors when adding clock nodes
for khaje. To avoid those redefinition conflicts, copying
all device nodes from bengal.dtsi to khaje.dtsi without
any alteration.

Change-Id: I58bf11eeb6f925ff0018a3a4d31b341996bf63c4