drivers/: Remove lingering references to CFG_CMD_* symbols.

Fixed some broken instances of "#ifdef CMD_CFG_IDE" too.
Those always evaluated TRUE, and thus were always compiled
even when IDE really wasn't defined/wanted.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/drivers/bcm570x.c b/drivers/bcm570x.c
index b00bcd7..703cda4 100644
--- a/drivers/bcm570x.c
+++ b/drivers/bcm570x.c
@@ -1688,4 +1688,4 @@
     return pQueue->Array[Idx];
 }
 
-#endif	/* CFG_CMD_NET, !CONFIG_NET_MULTI, CONFIG_BCM570x */
+#endif