Patch by Kenneth Johansson, 30 Jun 2003:
get rid of MK_CMD_ENTRY macro; update doc/README.command
diff --git a/common/cmd_portio.c b/common/cmd_portio.c
index ad84b81..d2e4c4b 100644
--- a/common/cmd_portio.c
+++ b/common/cmd_portio.c
@@ -95,8 +95,8 @@
 	return 0;
 }
 
-cmd_tbl_t U_BOOT_CMD(PORTIO_OUT) = MK_CMD_ENTRY(
-	"out",	3,	1,	do_portio_out,
+U_BOOT_CMD(
+	out,	3,	1,	do_portio_out,
 	"out     - write datum to IO port\n",
 	"[.b, .w, .l] port value\n    - output to IO port\n"
 );
@@ -159,8 +159,8 @@
 	return 0;
 }
 
-cmd_tbl_t U_BOOT_CMD(PORTIO_IN) = MK_CMD_ENTRY(
-	"in",	2,	1,	do_portio_in,
+U_BOOT_CMD(
+	in,	2,	1,	do_portio_in,
 	"in      - read data from an IO port\n",
 	"[.b, .w, .l] port\n"
 	"    - read datum from IO port\n"