soc: qcom: Collect ramdump before reset if BG was crashed during cold boot

When MSM is doing cold boot and tries to reset BG, it may get failure due
to BG being already crashed. In such scenarios need to collect BG ramdump
before continuing with BG reset sequence.

Change-Id: Ibc55f821ee8af60808eaec41d1f1dffb719d28cd
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>