clang-format: update latest spec and reformat

Copy the latest format file from the docs repository and apply.

Change-Id: Iac96affe709a51dd865117d006cb033cf5c624b1
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/extensions/openpower-pels/severity.cpp b/extensions/openpower-pels/severity.cpp
index 36117a4..acac0f5 100644
--- a/extensions/openpower-pels/severity.cpp
+++ b/extensions/openpower-pels/severity.cpp
@@ -78,8 +78,8 @@
     return pelSeverity;
 }
 
-std::optional<LogSeverity>
-    fixupLogSeverity(LogSeverity obmcSeverity, SeverityType pelSeverity)
+std::optional<LogSeverity> fixupLogSeverity(LogSeverity obmcSeverity,
+                                            SeverityType pelSeverity)
 {
     bool isNonErrPelSev = (pelSeverity == SeverityType::nonError) ||
                           (pelSeverity == SeverityType::recovered);