ARM: dts: msm: Initial device configuration for Lito

Add initial device tree configuration for Lito on RUMI
platform. The initial configuration includes definitions
for timer, interrupt controller, cpus, imem, restart,
watchdog, cpu dump, rtb, and mpm sleep counter.

Change-Id: I873a2ef37bdb3e7859853e538ca058e6997214dc
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>