ARM: dts: msm: rename remote proc cti nodes on samarium

Rename single core remote processor CTI node label and property
names to include cpu number so that they are consistent with
multi core cpu naming.

Change-Id: I42aab89c8d3d3f9557d1a5692483c98aeb39484b
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>