ARM: dts: msm: Add SPMI PMIC arbiter device for msmsamarium

Add a device node for the SPMI PMIC arbiter into the msmsamarium
device tree along with all properties required for SPMI arbiter
and QPNP interrupt controller operation.

Add the qcom,not-wakeup flag in the arbiter node since the MPM
is not yet configured.

Change-Id: I12d0b1397e72e96d40bd165bce8a48a87d80def5
Signed-off-by: David Collins <collinsd@codeaurora.org>