tree-wide: Replace http:// link with https:// link for ti.com

Replace instances of http://www.ti.com with https://www.ti.com

Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/board/ti/am43xx/mux.c b/board/ti/am43xx/mux.c
index f59e93a..463f1cc 100644
--- a/board/ti/am43xx/mux.c
+++ b/board/ti/am43xx/mux.c
@@ -2,7 +2,7 @@
 /*
  * mux.c
  *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 #include <common.h>