openpower-pnor-code-mgmt: srcrev bump 87372ae14a..3387b3ec57

Brad Bishop (5):
      style: update clang-format
      c++17: drop experimental::filesystem
      fix compiler warnings
      build: add support for meson
      systemd: avoid {BUSNAME}

(From meta-openpower rev: b0bdcc2c94a1a0facfc6ada1b07901e8b8ab5a27)

Change-Id: I476e40c631fe31a865c5eb98f703567df8f8ad1d
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>