rtc: remove unnecessary Kconfig dependencies

Remove the unused "depends on I2C" as the config options are already
guarded by if I2C.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/Kconfig

@@ -448,7 +448,6 @@ config RTC_DRV_PCF85063
 
 config RTC_DRV_PCF85363
 	tristate "NXP PCF85363"
-	depends on I2C
 	select REGMAP_I2C
 	help
 	  If you say yes here you get support for the PCF85363 RTC chip.
@@ -603,7 +602,6 @@ config RTC_DRV_FM3130
 
 config RTC_DRV_RX8010
 	tristate "Epson RX8010SJ"
-	depends on I2C
 	help
 	  If you say yes here you get support for the Epson RX8010SJ RTC
 	  chip.