p54: rename prism54xyz -> p54xyz

It's been a long time, but fullmac prism54 driver is still around...
I think we should rename every prism54* in order to avoid some
confusion about "what is actually what" in the future ;-).

Thanks-to: Maxi <maxi@daemonizer.de>

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index 8db6c0e..9bc2a1c 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -1,5 +1,5 @@
-#ifndef PRISM54COMMON_H
-#define PRISM54COMMON_H
+#ifndef P54COMMON_H
+#define P54COMMON_H
 
 /*
  * Common code specific definitions for mac80211 Prism54 drivers
@@ -250,4 +250,4 @@
 	__le16 frameburst;
 } __attribute__ ((packed));
 
-#endif /* PRISM54COMMON_H */
+#endif /* P54COMMON_H */