frv: unexport kmap_atomic_to_page

This patch removes the no longer used export of kmap_atomic_to_page.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/frv/mm/highmem.c

@@ -36,6 +36,3 @@ struct page *kmap_atomic_to_page(void *ptr)
 {
 	return virt_to_page(ptr);
 }
-
-
-EXPORT_SYMBOL(kmap_atomic_to_page);