FEC: Move imx_get_mac_from_fuse() definition to fec_mxc.h

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Ben Warren <biggerbadderben@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 1a20388..8b26645 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -32,6 +32,8 @@
 #ifndef __FEC_MXC_H
 #define __FEC_MXC_H
 
+void imx_get_mac_from_fuse(unsigned char *mac);
+
 /**
  * Layout description of the FEC
  */