icnss: Skip msa dump collection if secure dumps are not allowed

On a secure device, during SSR when the device tries to collect msa dump
it results in crash. Add a check to know if the secure dumps are allowed
and collect the dump only in the allowed case.

Change-Id: I8bbdf6dad07a5b0a7e0b84868766c3a9a4059359
Signed-off-by: Mohammed Siddiq <msiddiq@codeaurora.org>