ath5k: Add RF2425 initvals

*Add RF2425 initvals (still no rx/tx)

This was on my laptop for a long time so it has to go out even if
it still doesn't work, i hope i'll get my hands on an eeepc so i can
work this out.

base.c
Changes-licensed-under: 3-clause-BSD

rest
Changes-licensed-under: ISC

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index b218307..d0d70b3 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -142,6 +142,7 @@
 	AR5K_RF5112	= 2,
 	AR5K_RF2413	= 3,
 	AR5K_RF5413	= 4,
+	AR5K_RF2425	= 5,
 };
 
 /*