ARM: dts: msm: Add qprng device tree data for msmtitanium

Add random number generator device node and add the required parameters
to enable prng driver.

Change-Id: I549ed761c2422825a586351bfec62c4c32f8f212
Signed-off-by: Mallikarjuna Reddy Amireddy <mamire@codeaurora.org>