RISC-V: paravirt: pvqspinlock: Add trace point for pv_kick/wait

Add trace point for pv_kick/wait, here is the output:

 entries-in-buffer/entries-written: 33927/33927   #P:12

                                _-----=> irqs-off/BH-disabled
                               / _----=> need-resched
                              | / _---=> hardirq/softirq
                              || / _--=> preempt-depth
                              ||| / _-=> migrate-disable
                              |||| /     delay
           TASK-PID     CPU#  |||||  TIMESTAMP  FUNCTION
              | |         |   |||||     |         |
             sh-100     [001] d..2.    28.312294: pv_wait: cpu 1 out of wfi
         <idle>-0       [000] d.h4.    28.322030: pv_kick: cpu 0 kick target cpu 1
             sh-100     [001] d..2.    30.982631: pv_wait: cpu 1 out of wfi
         <idle>-0       [000] d.h4.    30.993289: pv_kick: cpu 0 kick target cpu 1
             sh-100     [002] d..2.    44.987573: pv_wait: cpu 2 out of wfi
         <idle>-0       [000] d.h4.    44.989000: pv_kick: cpu 0 kick target cpu 2
         <idle>-0       [003] d.s3.    51.593978: pv_kick: cpu 3 kick target cpu 4
      rcu_sched-15      [004] d..2.    51.595192: pv_wait: cpu 4 out of wfi
lock_torture_wr-115     [004] ...2.    52.656482: pv_kick: cpu 4 kick target cpu 2
lock_torture_wr-113     [002] d..2.    52.659146: pv_wait: cpu 2 out of wfi
lock_torture_wr-114     [008] d..2.    52.659507: pv_wait: cpu 8 out of wfi
lock_torture_wr-114     [008] d..2.    52.663503: pv_wait: cpu 8 out of wfi
lock_torture_wr-113     [002] ...2.    52.666128: pv_kick: cpu 2 kick target cpu 8
lock_torture_wr-114     [008] d..2.    52.667261: pv_wait: cpu 8 out of wfi
lock_torture_wr-114     [009] .n.2.    53.141515: pv_kick: cpu 9 kick target cpu 11
lock_torture_wr-113     [002] d..2.    53.143339: pv_wait: cpu 2 out of wfi
lock_torture_wr-116     [007] d..2.    53.143412: pv_wait: cpu 7 out of wfi
lock_torture_wr-118     [000] d..2.    53.143457: pv_wait: cpu 0 out of wfi
lock_torture_wr-115     [008] d..2.    53.143481: pv_wait: cpu 8 out of wfi
lock_torture_wr-117     [011] d..2.    53.143522: pv_wait: cpu 11 out of wfi
lock_torture_wr-117     [011] ...2.    53.143987: pv_kick: cpu 11 kick target cpu 8
lock_torture_wr-115     [008] ...2.    53.144269: pv_kick: cpu 8 kick target cpu 7

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>