[XTENSA] Remove extraneous include statement

We don't need to include processor.h in bug.h.
Signed-off-by: Chris Zankel <chris@zankel.net>

include/asm-xtensa/bugs.h

@@ -13,10 +13,6 @@
 #ifndef _XTENSA_BUGS_H
 #define _XTENSA_BUGS_H
 
-#include <asm/processor.h>
-
-static void __init check_bugs(void)
-{
-}
+static void check_bugs(void) { }
 
 #endif /* _XTENSA_BUGS_H */