uio: msm_sharedmem: Add addtional information to debugfs

Add an addtional line to the debugfs info printed to indicate
if the address in that entry was allocated dynamically or
is a static entry in the device tree.

Change-Id: Idd41acac9f15bec68d5692fe85175b42a1e90431
Signed-off-by: Nikhilesh Reddy <reddyn@codeaurora.org>