common/: 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/common/cmd_i2c.c b/common/cmd_i2c.c
index 6aeeb84..a684a58 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -877,7 +877,7 @@
 
 	return 0;
 }
-#endif	/* CFG_CMD_SDRAM */
+#endif
 
 #if defined(CONFIG_I2C_CMD_TREE)
 #if defined(CONFIG_I2C_MULTI_BUS)
@@ -941,7 +941,7 @@
 #if defined(CONFIG_CMD_SDRAM)
 	if (!strncmp(argv[1], "sd", 2))
 		return do_sdram(cmdtp, flag, --argc, ++argv);
-#endif	/* CFG_CMD_SDRAM */
+#endif
 	else
 		printf ("Usage:\n%s\n", cmdtp->usage);
 	return 0;
@@ -967,7 +967,7 @@
 	"i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device\n"
 #if defined(CONFIG_CMD_SDRAM)
 	"i2c sdram chip - print SDRAM configuration information\n"
-#endif  /* CFG_CMD_SDRAM */
+#endif
 );
 #endif /* CONFIG_I2C_CMD_TREE */
 U_BOOT_CMD(
@@ -1025,4 +1025,4 @@
 );
 #endif
 
-#endif	/* CFG_CMD_I2C */
+#endif