microblaze: Do not print eth device when DM_ETH is enabled

Doing the same fix as is done for ARM by:
"Avoid calling print_eths() with driver model"
(sha1: ff97380015b6b5d7d6267417a1cd6fc0e67b81bc)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index deed6d8..8eda68b 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -205,7 +205,7 @@
 	print_num("sram start     ",	(ulong)bd->bi_sramstart);
 	print_num("sram size      ",	(ulong)bd->bi_sramsize);
 #endif
-#if defined(CONFIG_CMD_NET)
+#if defined(CONFIG_CMD_NET) && !defined(CONFIG_DM_ETH)
 	print_eths();
 #endif
 	printf("baudrate    = %u bps\n", gd->baudrate);