msm: pil-q6v5-mss: Dynamically allocate memory for MSS metadata

Recent changes in MBA image have made a statically-assigned metadata
base unnecessary. Remove use of the address hard-coded in the device
tree.

Change-Id: I154c83f649b67fdbfa1260f5ad5f43c2c21b9a5b
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
5 files changed