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/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index 40cf9bc..cf914c8 100644
--- a/arch/xtensa/include/asm/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
@@ -42,7 +42,7 @@
 
 extern struct kmem_cache *pgtable_cache;
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 					 unsigned long address)
 {
 	return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT);