MAINTAINERS: move Jens Osterkamp to CREDITS

Jens' email address bounces, so move his name and entry to CREDITS.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
Cc: Jens Osterkamp <jens@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/CREDITS b/CREDITS
index 4df764e..1d61664 100644
--- a/CREDITS
+++ b/CREDITS
@@ -2740,6 +2740,10 @@
 S: Valladolid 47009
 S: Spain
 
+N: Jens Osterkamp
+E: jens@de.ibm.com
+D: Maintainer of Spidernet network driver for Cell
+
 N: Gadi Oxman
 E: gadio@netvision.net.il
 D: Original author and maintainer of IDE/ATAPI floppy/tape drivers