soc: qcom: Add SSR minidump provision for subsystem ramdump

Minidump is concise and bare minimum dump to enable technology
teams to debug most of subsystem issues. This change adds required
driver code changes to provide support of subsystem minidump.

Increase PIL timeout to give MBA more time for encryption
and decryption for modem segments.

Change-Id: I1d04a9306ce507bc610777bc476197f26c1e18ac
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>