expo: Add a little more cedit CMOS logging

Add some more logging in the CMOS read/write code. Tidy up a few
comments while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/boot/cedit.c b/boot/cedit.c
index cd935d4..9d48d3e 100644
--- a/boot/cedit.c
+++ b/boot/cedit.c
@@ -584,7 +584,7 @@
 
 		/*
 		 * note that no validation is done here, to make sure the ID is
-		 * valid * and actually points to a menu item
+		 * valid and actually points to a menu item
 		 */
 		menu->cur_item_id = val;
 		break;
@@ -718,6 +718,7 @@
 	}
 
 	/* write the data to the RTC */
+	log_debug("Writing CMOS\n");
 	first = CMOS_MAX_BYTES;
 	last = -1;
 	for (i = 0, count = 0; i < CMOS_MAX_BYTES; i++) {
@@ -785,6 +786,7 @@
 	}
 
 	/* update the current item */
+	log_debug("look for menuitem value %d in menu %d\n", val, menu->obj.id);
 	mi = scene_menuitem_find_seq(menu, val);
 	if (!mi)
 		return log_msg_ret("seq", -ENOENT);
@@ -819,7 +821,7 @@
 		goto done;
 	}
 
-	/* read the data to the RTC */
+	/* indicate what bytes were read from the RTC */
 	first = CMOS_MAX_BYTES;
 	last = -1;
 	for (i = 0, count = 0; i < CMOS_MAX_BYTES; i++) {