Add support for NetSilicon NS7520 processor.
Patch by Art Shipkowski, 12 May 2005

Cleanup.
diff --git a/CREDITS b/CREDITS
index 23055cb..c1686a5 100644
--- a/CREDITS
+++ b/CREDITS
@@ -377,6 +377,10 @@
 E: r.schwebel@pengutronix.de
 D: Support for csb226, logodl and innokom boards (PXA2xx)
 
+N: Art Shipkowski
+E: art@videon-central.com
+D: Support for NetSilicon NS7520
+
 N: Yasushi Shoji
 E: yashi@atmark-techno.com
 D: Support for Xilinx MicroBlaze, for Atmark Techno SUZAKU FPGA board