dt-bindings: i2c: mux-gpio: name correct maintainer

The YAML conversion added me as maintainer but I can't recall being
asked nor do I want to maintain it. Add Peter as maintainer for the
binding as he is maintainer of the driver.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>

Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml
index 4a93d1f..6e44510 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml
@@ -7,7 +7,7 @@
 title: GPIO-based I2C Bus Mux
 
 maintainers:
-  - Wolfram Sang <wsa@kernel.org>
+  - Peter Korsgaard <peter.korsgaard@barco.com>
 
 description: |
   This binding describes an I2C bus multiplexer that uses GPIOs to route the I2C signals.

MAINTAINERS

diff --git a/MAINTAINERS b/MAINTAINERS
index 04542ee..5db0662 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10772,6 +10772,7 @@
 M:	Peter Korsgaard <peter.korsgaard@barco.com>
 L:	linux-i2c@vger.kernel.org
 S:	Supported
+F:	Documentation/devicetree/bindings/i2c/i2c-mux-gpio.yaml
 F:	Documentation/i2c/muxes/i2c-mux-gpio.rst
 F:	drivers/i2c/muxes/i2c-mux-gpio.c
 F:	include/linux/platform_data/i2c-mux-gpio.h