[PATCH] I2C: fix typo in documentation

Fix a typo in the i2c documentation: the i2c bus scanning tool found in
lm_sensors is called i2cdetect, not i2c_detect.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Documentation/i2c/functionality

@@ -115,7 +115,7 @@ CHECKING THROUGH /DEV
 If you try to access an adapter from a userspace program, you will have
 to use the /dev interface. You will still have to check whether the
 functionality you need is supported, of course. This is done using
-the I2C_FUNCS ioctl. An example, adapted from the lm_sensors i2c_detect
+the I2C_FUNCS ioctl. An example, adapted from the lm_sensors i2cdetect
 program, is below:
 
   int file;