clang-format: Pull the format rules from the openbmc/docs repo

This makes it consistent with other openbmc projects for c++ formatting.

Tested:
    Run through the unit test suite.

Change-Id: I92030ce5b42de01360393687fb438faf26f36ac8
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/vpnor/test/write_rw.cpp b/vpnor/test/write_rw.cpp
index c40af6a..c9d2b60 100644
--- a/vpnor/test/write_rw.cpp
+++ b/vpnor/test/write_rw.cpp
@@ -29,7 +29,7 @@
 
     struct mbox_context _ctx, *ctx = &_ctx;
     uint8_t src[8] = {0};
-    void *map;
+    void* map;
     int rc;
     int fd;