Add 'n' and 'p' to the regexp for the need-resched bit.

According to the ftrace doc, need-resched can have the following encodings:

	'N' both TIF_NEED_RESCHED and PREEMPT_NEED_RESCHED is set,
	'n' only TIF_NEED_RESCHED is set,
	'p' only PREEMPT_NEED_RESCHED is set,
	'.' otherwise.

BUG: 23281041

Change-Id: Ia4dd4a5d912c41f3be7077533a08bfbe8bc89032
1 file changed