ClangFormat: Relax the clang format file a little bit

It will not always insert a line break after 100 sign but tries to find
middle ground. Normally it's not a problem but it will prevent some strange
looking formatting.

Change-Id: I0ba987f944d360b3d0f0d8dce29ef825696b1a92
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

.clang-format

@@ -1,19 +1,3 @@
-# .clang-format for Qt Creator
-#
-# This is for clang-format >= 5.0.
-#
-# The configuration below follows the Qt Creator Coding Rules [1] as closely as
-# possible. For documentation of the options, see [2].
-#
-# Use ../../tests/manual/clang-format-for-qtc/test.cpp for documenting problems
-# or testing changes.
-#
-# In case you update this configuration please also update the qtcStyle() in src\plugins\clangformat\clangformatutils.cpp
-#
-# [1] https://doc-snapshots.qt.io/qtcreator-extending/coding-style.html
-# [2] https://clang.llvm.org/docs/ClangFormatStyleOptions.html
-#
----
 Language:        Cpp
 AccessModifierOffset: -4
 AlignAfterOpenBracket: Align
@@ -90,12 +74,12 @@ NamespaceIndentation: None
 ObjCBlockIndentWidth: 4
 ObjCSpaceAfterProperty: false
 ObjCSpaceBeforeProtocolList: true
-PenaltyBreakAssignment: 150
-PenaltyBreakBeforeFirstCallParameter: 300
+PenaltyBreakAssignment: 500
+PenaltyBreakBeforeFirstCallParameter: 150
 PenaltyBreakComment: 500
 PenaltyBreakFirstLessLess: 400
 PenaltyBreakString: 600
-PenaltyExcessCharacter: 50
+PenaltyExcessCharacter: 7
 PenaltyReturnTypeOnItsOwnLine: 300
 PointerAlignment: Right
 ReflowComments:  false