ARM: dts: msm: Initial DT changes for apq8009 target

Added DT changes required for apq8009 dragon board target bringup.
Initial snapshot of apq8009 device tree is taken from msm-3.18
kernel version @ commit 28f8462e971a85 ("PM / devfreq: memlat:
Remove kfree() on probe fails")

Change-Id: I9ef960acef784661c1d1d73f38e597e5057f3dd1
Signed-off-by: Jagadeesh Banisetti <jbanis@codeaurora.org>