UPSTREAM: cpuidle: teo: Optionally skip polling states in teo_find_shallower_state()

Add a no_poll flag to teo_find_shallower_state() that will let the
function optionally not consider polling states.

This allows the caller to guard against the function inadvertently
resulting in TEO putting the CPU in a polling state when that
behaviour is undesirable.

Bug: 258723112
Change-Id: Ic3879fd4428dd4c7b19caaee6f9fd847cdb58483
Signed-off-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 27f85088)
Signed-off-by: Qais Yousef <qyousef@google.com>