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>

cmd/Makefile

@@ -78,7 +78,7 @@ obj-$(CONFIG_CMD_ITEST) += itest.o
 obj-$(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

cmd/legacy_led.c

@@ -86,7 +86,7 @@ void __weak __led_blink(led_id_t mask, int freq)
 {
 }
 
-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 @@ int do_led (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 }
 
 U_BOOT_CMD(
-	led, 4, 1, do_led,
+	led, 4, 1, do_legacy_led,
 	"["
 #ifdef CONFIG_LED_STATUS_BOARD_SPECIFIC
 #ifdef CONFIG_LED_STATUS0