dt-bindings: touchscreen: trivial-touch: Move allOf: after required:

dt-bindings: touchscreen: trivial-touch: Move allOf: after required:

Majority of schemas place allOf: after required: . Documentation
Documentation/devicetree/bindings/writing-schema.rst also hints at
this ordering. Trivially update this schema. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260312224925.186077-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>