i2c: rcar: Auto select RESET_CONTROLLER

The i2c-rcar driver utilizes the Generic Reset Controller kernel
feature, so select the RESET_CONTROLLER option when the I2C_RCAR
option is selected with a Gen3 SoC.

Fixes: 2b16fd6305 ("i2c: rcar: handle RXDMA HW behaviour on Gen3")
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Andy Lowe <andy_lowe@mentor.com>
[erosca: Add "if ARCH_RCAR_GEN3" per Wolfram's request]
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/Kconfig

@@ -1180,6 +1180,7 @@ config I2C_RCAR
 	tristate "Renesas R-Car I2C Controller"
 	depends on ARCH_RENESAS || COMPILE_TEST
 	select I2C_SLAVE
+	select RESET_CONTROLLER if ARCH_RCAR_GEN3
 	help
 	  If you say yes to this option, support will be included for the
 	  R-Car I2C controller.