dt-bindings: touchscreen: consolidate simple touch controller to trivial-touch.yaml

dt-bindings: touchscreen: consolidate simple touch controller to trivial-touch.yaml

Move azoteq,iqs5xx.yaml, himax,hx83112b.yaml, hynitron,cstxxx.yaml,
ilitek_ts_i2c.yaml, semtech,sx8654.yaml, ar1021.txt to trivial-touch.yaml
to consolidate simple touch yaml binding to one file.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251021201924.2881098-2-Frank.Li@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>