Blackfin arch: change get_bf537_ether_addr() to bfin_get_ether_addr() since this is not BF537 specific and to better match other Blackfin-specific conventions

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 084acfd..0b99b55 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -924,7 +924,7 @@
 	if (!is_valid_ether_addr(dev->dev_addr)) {
 		/* Grab the MAC from the board somehow - this is done in the
 		   arch/blackfin/mach-bf537/boards/eth_mac.c */
-		get_bf537_ether_addr(dev->dev_addr);
+		bfin_get_ether_addr(dev->dev_addr);
 	}
 
 	/* If still not valid, get a random one */