ARM: dts: msm: Enable TWM mode config for PM660

Add the MISC, PBS and PON module configuration
for TWM mode on PM660 BG platform.

Change-Id: Iefca6d55ca4297a1bb64e58874d54343a1e41ecf
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>