clang-format: Update .clang-format to be compliant with linux kernel coding style

* The coreboot clang format file seems to be incomplete.
* Add missing options.

Change-Id: I61a32ed951d18d5865be201bb38d18e50dd76f08
Signed-off-by: Philipp Deppenwiese <>
Reviewed-by: Martin Roth <>
Reviewed-by: Raul Rangel <>
Tested-by: build bot (Jenkins) <>
diff --git a/.clang-format b/.clang-format
index a3ef233..16d606b 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,6 +1,10 @@
-BasedOnStyle: LLVM
-IndentWidth: 8
-UseTab: Always
-BreakBeforeBraces: Linux
-AllowShortIfStatementsOnASingleLine: false
-IndentCaseLabels: false
+BasedOnStyle:                              LLVM
+Language:                                  Cpp
+IndentWidth:                               8
+UseTab:                                    Always
+BreakBeforeBraces:                         Linux
+AllowShortIfStatementsOnASingleLine:       false
+IndentCaseLabels:                          false
+SortIncludes:                              false
+ContinuationIndentWidth:                   8
+ColumnLimit:                               80