lint/clang-format: set to 96 chars per line

80 chars + 2 tabs was the compromise we got to in the last round of
discussion.

Change-Id: I9293a69d1bea900da36501cde512004d0695ad37
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31651
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

.clang-format

@@ -7,7 +7,7 @@ AllowShortIfStatementsOnASingleLine:		false
 IndentCaseLabels:				false
 SortIncludes:					false
 ContinuationIndentWidth:			8
-ColumnLimit:					0
+ColumnLimit:					96
 AlwaysBreakBeforeMultilineStrings:		true
 AllowShortLoopsOnASingleLine:			false
 AllowShortFunctionsOnASingleLine:		false