ARM: dts: msm: Add modem junction rule for sdxprairie

Add modem junction temperature thermal rule to mitigate modem for
sdxprairie. This rule monitors mdm-core0 sensor for 85C, 90C and 95C
temperature thresholds.

Change-Id: If8ffbe352c110e6d78498776206abae394996866
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>