soc: qcom: mem-offline: add pasr support for rpm-smd based targets

Some targets have RPM than RPMh controllers where the message format
to the controller is different. Add support for it.

Change-Id: Icb1056badac7ef17df2a52a5f725d9f8aa96503e
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>