led: Mark existing driver as legacy

The existing 'led' command does not support driver model. Rename it to
indicate that it is legacy code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ziping Chen <techping.chan@gmail.com>
diff --git a/cmd/Makefile b/cmd/Makefile
index ef1406b..19d450e 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -78,7 +78,7 @@
 obj-$(CONFIG_CMD_JFFS2) += jffs2.o
 obj-$(CONFIG_CMD_CRAMFS) += cramfs.o
 obj-$(CONFIG_CMD_LDRINFO) += ldrinfo.o
-obj-$(CONFIG_LED_STATUS_CMD) += led.o
+obj-$(CONFIG_LED_STATUS_CMD) += legacy_led.o
 obj-$(CONFIG_CMD_LICENSE) += license.o
 obj-y += load.o
 obj-$(CONFIG_LOGBUFFER) += log.o
diff --git a/cmd/legacy_led.c b/cmd/legacy_led.c
index 951a5e2..1ec2e43 100644
--- a/cmd/legacy_led.c
+++ b/cmd/legacy_led.c
@@ -86,7 +86,7 @@
 {
 }
 
-int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_legacy_led(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int i, match = 0;
 	enum led_cmd cmd;
@@ -148,7 +148,7 @@
 }
 
 U_BOOT_CMD(
-	led, 4, 1, do_led,
+	led, 4, 1, do_legacy_led,
 	"["
 #ifdef CONFIG_LED_STATUS_BOARD_SPECIFIC
 #ifdef CONFIG_LED_STATUS0