hwmon: (g760a) fix checkpatch issues

fixed:
ERROR: code indent should use tabs where possible
+            fan speed PWM controller chip$

ERROR: trailing whitespace
+      http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf $

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

drivers/hwmon/g760a.c

@@ -1,6 +1,6 @@
 /*
     g760a - Driver for the Global Mixed-mode Technology Inc. G760A
-            fan speed PWM controller chip
+	    fan speed PWM controller chip
 
     Copyright (C) 2007  Herbert Valerio Riedel <hvr@gnu.org>