netdev: bfin_mac: drop experimental markings on RMII support

The code has been around for a long time now and is known to work on a
bunch of different parts/boards.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index b711d54..0690577 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -880,8 +880,8 @@
 	  Set the number of buffer packets used in driver.
 
 config BFIN_MAC_RMII
-	bool "RMII PHY Interface (EXPERIMENTAL)"
-	depends on BFIN_MAC && EXPERIMENTAL
+	bool "RMII PHY Interface"
+	depends on BFIN_MAC
 	default y if BFIN527_EZKIT
 	default n if BFIN537_STAMP
 	help