MAINTAINERS: Update email addresses for William Breathitt Gray

Using a kernel.org address is more consistent for kernel work and should
prevent the need to update again if the underlying email address
changes.

Signed-off-by: William Breathitt Gray <wbg@kernel.org>

MAINTAINERS

@@ -210,44 +210,44 @@ S:	Maintained
 F:	drivers/hwmon/abituguru3.c
 ACCES 104-DIO-48E GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-104-dio-48e.c
 ACCES 104-IDI-48 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-104-idi-48.c
 ACCES 104-IDIO-16 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-104-idio-16.c
 ACCES 104-QUAD-8 DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
 F:	drivers/counter/104-quad-8.c
 ACCES IDIO-16 GPIO LIBRARY
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-idio-16.c
 F:	drivers/gpio/gpio-idio-16.h
 ACCES PCI-IDIO-16 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-pci-idio-16.c
 ACCES PCIe-IDIO-24 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-pcie-idio-24.c
@@ -1453,7 +1453,7 @@ S:	Maintained
 F:	sound/aoa/
 APEX EMBEDDED SYSTEMS STX104 IIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
 F:	drivers/iio/addac/stx104.c
@@ -5459,7 +5459,7 @@ F:	Documentation/hwmon/corsair-psu.rst
 F:	drivers/hwmon/corsair-psu.c
 COUNTER SUBSYSTEM
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/wbg/counter.git
@@ -6245,7 +6245,7 @@ F:	include/sound/da[79]*.h
 F:	sound/soc/codecs/da[79]*.[ch]
 DIAMOND SYSTEMS GPIO-MM GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-gpio-mm.c
@@ -10756,14 +10756,14 @@ S:	Maintained
 F:	drivers/video/fbdev/i810/
 INTEL 8254 COUNTER DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
 F:	drivers/counter/i8254.c
 F:	include/linux/i8254.h
 INTEL 8255 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-i8255.c
@@ -11460,7 +11460,7 @@ F:	Documentation/devicetree/bindings/interrupt-controller/
 F:	drivers/irqchip/
 ISA
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 S:	Maintained
 F:	Documentation/driver-api/isa.rst
 F:	drivers/base/isa.c
@@ -13472,7 +13472,7 @@ F:	drivers/net/mdio/mdio-regmap.c
 F:	include/linux/mdio/mdio-regmap.h
 MEASUREMENT COMPUTING CIO-DAC IIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-iio@vger.kernel.org
 S:	Maintained
 F:	drivers/iio/dac/cio-dac.c
@@ -23888,7 +23888,7 @@ S:	Orphan
 F:	drivers/watchdog/ebc-c384_wdt.c
 WINSYSTEMS WS16C48 GPIO DRIVER
-M:	William Breathitt Gray <william.gray@linaro.org>
+M:	William Breathitt Gray <wbg@kernel.org>
 L:	linux-gpio@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-ws16c48.c