soc: qcom: smem: increase smem hosts max count

Increase max host count to 14, inorder to accommodate newly
added sybsystem wpss with smem host id 13.

Change-Id: I48c7e576d3478bdc4645c44aa435900f3eaaa2c4
Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>