rtc: Remove Maxim 77802 driver

The max77686 RTC driver now supports the max77802 RTC as
well so there's no need to have a separate driver anymore.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

drivers/rtc/Kconfig

@@ -335,16 +335,6 @@ config RTC_DRV_RK808
 	  This driver can also be built as a module. If so, the module
 	  will be called rk808-rtc.
 
-config RTC_DRV_MAX77802
-	tristate "Maxim 77802 RTC"
-	depends on MFD_MAX77686
-	help
-	  If you say yes here you will get support for the
-	  RTC of Maxim MAX77802 PMIC.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called rtc-max77802.
-
 config RTC_DRV_RS5C372
 	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 	help