[PATCH] Fix scripts/kernel-doc to handle __attribute__

From: Tom Rini <trini@kernel.crashing.org>

The following patch is needed so that kernel-doc can handle functions which
have __attribute__'s on them (such as __attribute__ ((weak))).

scripts/kernel-doc

@@ -1376,6 +1376,7 @@ sub dump_function($$) {
     $prototype =~ s/^inline +//;
     $prototype =~ s/^__inline__ +//;
     $prototype =~ s/^#define +//; #ak added
+    $prototype =~ s/__attribute__ \(\([a-z,]*\)\)//;
 
     # Yes, this truly is vile.  We are looking for:
     # 1. Return type (may be nothing if we're looking at a macro)