ARM: dts: msm: Add smp2p entries used by SSR for krypton

These SMP2P channels are used to send signals between the modem, lpass,
and apps processors.

Change-Id: Ieea80ab85b86f8c21f7c7e385ddc1b1f15a4e839
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>