BACKPORT: PM: wakeup_reasons: disable wakeup-reason deduction by default

Introduce a config item, CONFIG_DEDUCE_WAKEUP_REASONS, disabled by default.
Make CONFIG_PARTUALRESUME select it.

(cherry picked from commit 753b5405eedf67357952e3a10cb3fb1392a3972b)
Change-Id: I7d831ff0a9dfe0a504824f4bc65ba55c4d92546b
Signed-off-by: Iliyan Malchev <malchev@google.com>
Git-commit: cfa75ab483f349777215d16d53f5483f389b3a33
Git-repo: https://android.googlesource.com/kernel/msm


Signed-off-by: Venkatesh Yadav Abbarapu <vabbar@codeaurora.org>