i2c: Fix copy-n-paste in subsystem Kconfig

i2c: Fix copy-n-paste in subsystem Kconfig

We have:
  drivers/i2c/Kconfig:2:# Character device configuration
Which is obviously not true..

Signed-off-by: Arthur Othieno <apgo@patchbomb.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/i2c/Kconfig

@@ -1,5 +1,5 @@
 #
-# Character device configuration
+# I2C subsystem configuration
 #
 
 menu "I2C support"