net: cosmetic: Rename CDPHandler to cdp_receive

This is not called as a handler, so don't name it that way

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/net/cdp.h b/net/cdp.h
index 93bc461..ec7315a 100644
--- a/net/cdp.h
+++ b/net/cdp.h
@@ -14,7 +14,8 @@
 #define __CDP_H__
 
 void CDPStart(void);
-void CDPHandler(const uchar *pkt, unsigned len);
+/* Process a received CDP packet */
+void cdp_receive(const uchar *pkt, unsigned len);
 
 #endif /* __CDP_H__ */
 #endif