soc: qcom: pil: Make provision for collecting complete subsystem dump

Subsystem ramdump collection as of now happen segmentwise, but sometime
there are hole in between segment where dynamic image is loaded and
which need to be captured during subsystem ramdump collection.

This change will dump complete subsystem memory rather than only segments
based on the configuration of subsystem who desire it.

Change-Id: I5075a90817d1a4d00d69ad39d892dbbc40b0b0dc
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>