MAINTAINERS: Add linux-renesas-soc to the Renesas I2C entries

The people on linux-renesas-soc are interested in changes to the Renesas
I2C drivers and their DT bindings.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

MAINTAINERS

@@ -15574,6 +15574,7 @@ F:	drivers/clk/renesas/
 
 RENESAS EMEV2 I2C DRIVER
 M:	Wolfram Sang <wsa+renesas@sang-engineering.com>
+L:	linux-renesas-soc@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/i2c/renesas,iic-emev2.yaml
 F:	drivers/i2c/busses/i2c-emev2.c
@@ -15595,6 +15596,7 @@ F:	drivers/iio/adc/rcar-gyroadc.c
 
 RENESAS R-CAR I2C DRIVERS
 M:	Wolfram Sang <wsa+renesas@sang-engineering.com>
+L:	linux-renesas-soc@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
 F:	Documentation/devicetree/bindings/i2c/renesas,iic.txt
@@ -15612,6 +15614,7 @@ F:	drivers/thermal/rcar_thermal.c
 
 RENESAS RIIC DRIVER
 M:	Chris Brandt <chris.brandt@renesas.com>
+L:	linux-renesas-soc@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/i2c/renesas,riic.yaml
 F:	drivers/i2c/busses/i2c-riic.c