phosphor-logging: srcrev bump 835a86938f..14d671fa23

Matt Spinler (8):
      PEL: Find an entry in the message registry JSON
      PEL: Read SRC fields out of the registry
      PEL: Create PrivateHeader from parameters
      PEL: OpenBMC event log sev to PEL sev helper
      PEL: Create UserHeader from parameters
      PEL: Create PEL from parameters
      PEL: Add Stream ops for std::vector<uint8_t>
      PEL: Add a Generic section object

(From meta-phosphor rev: 5d62bdae3ec83b70ee7ad1883d26d19916fc4832)

Change-Id: I3c9f7a603b61efe795a442489f025731bfba9e5b
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>