frv: fix use of extinct _sbss and _ebss in debug code

Nowadays it should probably use __bss_start and __bss_stop

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index a19effc..92e97b0 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -146,7 +146,7 @@
 
 #else
 	codek = (_etext - _stext) >> 10;
-	datak = 0; //(_ebss - _sdata) >> 10;
+	datak = 0; //(__bss_stop - _sdata) >> 10;
 #endif
 
 	tmp = nr_free_pages() << PAGE_SHIFT;