iio: adc: Kconfig: Append vendor name for IMX7D_ADC

To keep IMX7D_ADC text consistent with other iio/adc entries, add
the vendor name to the driver menu text.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/adc/Kconfig

@@ -322,7 +322,7 @@ config INA2XX_ADC
 	  This driver is mutually exclusive with the HWMON version.
 
 config IMX7D_ADC
-	tristate "IMX7D ADC driver"
+	tristate "Freescale IMX7D ADC driver"
 	depends on ARCH_MXC || COMPILE_TEST
 	depends on HAS_IOMEM
 	help