xtensa: clean up files to make them code-style compliant

Remove heading and trailing spaces, trim trailing lines, and wrap lines
that are longer than 80 characters.

Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S
index 7f7078f..d97ed1b 100644
--- a/arch/xtensa/mm/misc.S
+++ b/arch/xtensa/mm/misc.S
@@ -180,7 +180,7 @@
 
 ENTRY(copy_user_page)
 
-	entry	a1, 32 
+	entry	a1, 32
 
 	/* Mark page dirty and determine alias for destination. */