Add metrics for s390 z15

- Percentage sourced from Level 2 cache
- Percentage sourced from Level 3 on same chip cache
- Percentage sourced from Level 4 Local cache on same book
- Percentage sourced from Level 4 Remote cache on different book
- Percentage sourced from memory

For details about the formulas see this documentation:

  https://www.ibm.com/support/pages/system/files/inline-files/CPU%20MF%20Formulas%20including%20z16%20-%20May%202022_1.pdf

Outpuf after:
  # ./perf stat -M l4rp -- find /
  .... find output deleted

  Performance counter stats for 'find /':

              5      L1I_OFFDRAWER_L4_SOURCED_WRITES  #     0.01 l4rp
            187      L1D_OFFDRAWER_L4_SOURCED_WRITES
              0      L1I_OFFDRAWER_L3_SOURCED_WRITES
    231,333,165      L1I_DIR_WRITES
          3,303      L1D_OFFDRAWER_L3_SOURCED_WRITES
         47,461      L1D_OFFDRAWER_L3_SOURCED_WRITES_IV
              0      L1I_OFFDRAWER_L3_SOURCED_WRITES_IV
    126,706,244      L1D_DIR_WRITES

   27.870355461 seconds time elapsed

    0.521562000 seconds user
   12.494503000 seconds sys
  #
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-By: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20230313080201.2440201-3-tmricht@linux.ibm.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>