whitespace cleanup, mostly for docs

Remove useless space/tab at end of lines.
Remove spaces in indentation and replace with tab.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

testing/smoketests.html

@@ -183,7 +183,7 @@
 		<hr>
 		<h1>OpenOCD JTAG device test results</h1>
 		Each JTAG device must be tested
-		
+
 		<table border="1">
 			<tr>
 				<th align="center" width="40">ID</th>