Input: iqs269a - add missing I2C dependency

If CONFIG_INPUT_IQS269A is selected yet CONFIG_I2C is not, the build
fails. To solve this problem, add I2C as a dependency.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: 04e49867 ("Input: add support for Azoteq IQS269A")
Link: https://lore.kernel.org/r/1589809466-22748-1-git-send-email-jeff@labundy.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/Kconfig

@@ -720,6 +720,7 @@ config INPUT_IMS_PCU
 
 config INPUT_IQS269A
 	tristate "Azoteq IQS269A capacitive touch controller"
+	depends on I2C
 	select REGMAP_I2C
 	help
 	  Say Y to enable support for the Azoteq IQS269A capacitive