dt-bindings: update Luca Ceresoli's e-mail address

My Bootlin address is preferred from now on.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220603155727.1232061-2-luca@lucaceresoli.net

Documentation/devicetree/bindings/clock/idt,versaclock5.yaml

@@ -45,7 +45,7 @@ description: |
   The case where SH and SP are both 1 is likely not very interesting.
 
 maintainers:
-  - Luca Ceresoli <luca@lucaceresoli.net>
+  - Luca Ceresoli <luca.ceresoli@bootlin.com>
 
 properties:
   compatible:

Documentation/devicetree/bindings/mfd/maxim,max77714.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: MAX77714 PMIC with GPIO, RTC and watchdog from Maxim Integrated.
 
 maintainers:
-  - Luca Ceresoli <luca@lucaceresoli.net>
+  - Luca Ceresoli <luca.ceresoli@bootlin.com>
 
 description: |
   MAX77714 is a Power Management IC with 4 buck regulators, 9

Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Maxim Integrated MAX77976 Battery charger
 
 maintainers:
-  - Luca Ceresoli <luca@lucaceresoli.net>
+  - Luca Ceresoli <luca.ceresoli@bootlin.com>
 
 description: |
   The Maxim MAX77976 is a 19Vin / 5.5A, 1-Cell Li+ battery charger