soc: qcom: Add checks to ensure minidump enabled or not

Add additional checks to ensure minidump is not enabled.
If minidump is not enabled then in modem ramdump collection
path, debug reset sequence would not be called.

Change-Id: I21ddf0e09a2abd1c0921ad4189c521f7584c5cc8
Signed-off-by: Jitendra Sharma <shajit@codeaurora.org>