Big white-space cleanup.

This commit gets rid of a huge amount of silly white-space issues.
Especially, all sequences of SPACEs followed by TAB characters get
removed (unless they appear in print statements).

Also remove all embedded "vim:" and "vi:" statements which hide
indentation problems.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/i2c.h b/include/i2c.h
index 6e6c845..a51c164 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -113,9 +113,9 @@
  *  Change the active I2C bus.  Subsequent read/write calls will
  *  go to this one.
  *
- * 	bus - bus index, zero based
+ *	bus - bus index, zero based
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_num(unsigned int bus);
@@ -133,9 +133,9 @@
  *
  *  Change the speed of the active I2C bus
  *
- * 	speed - bus speed in Hz
+ *	speed - bus speed in Hz
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_speed(unsigned int);