net ppc: fix ethernet device names with spaces

since commit 1384f3bb8a4f9066805b70c1418eda78ecb73fdd ethernet names
with spaces drop a

Warning: eth device name has a space!

message. This patch fix it for:

- "FEC ETHERNET" devices found on
  mpc512x, mpc5xxx, mpc8xx and mpc8220 boards.
  renamed to "FEC".
- "SCC ETHERNET" devices found on
  mpc8xx, mpc82xx based boards. Renamed to "SCC".
- "HDLC ETHERNET" devices found on mpc8xx boards
  Renamed to "HDLC"
- "FCC ETHERNET" devices found on mpc8260 and mpc85xx based
  boards. Renamed to "FCC"

Tested on the kup4k board.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/README b/README
index b6bf451..ccaace7 100644
--- a/README
+++ b/README
@@ -3158,10 +3158,10 @@
 		  interface is currently active. For example you
 		  can do the following
 
-		  => setenv ethact FEC ETHERNET
-		  => ping 192.168.0.1 # traffic sent on FEC ETHERNET
-		  => setenv ethact SCC ETHERNET
-		  => ping 10.0.0.1 # traffic sent on SCC ETHERNET
+		  => setenv ethact FEC
+		  => ping 192.168.0.1 # traffic sent on FEC
+		  => setenv ethact SCC
+		  => ping 10.0.0.1 # traffic sent on SCC
 
   ethrotate	- When set to "no" U-Boot does not go through all
 		  available network interfaces.