clang-format: update latest spec and reformat

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

Change-Id: I7e6a366ccaa0fc7dfaae502bd9094a386b9948b4
Signed-off-by: George Liu <liuxiwei@ieisystem.com>
diff --git a/.clang-format b/.clang-format
index 23d795e..f387595 100644
--- a/.clang-format
+++ b/.clang-format
@@ -102,7 +102,7 @@
 PenaltyBreakString: 1000
 PenaltyBreakTemplateDeclaration: 10
 PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
+PenaltyReturnTypeOnItsOwnLine: 150
 PenaltyIndentedWhitespace: 1
 PointerAlignment: Left
 QualifierAlignment: Left