dt-binding: mmc: microchip,sdhci-pic32: convert text based binding to json schema

Update text binding to YAML.
Changes during conversion:
Add appropriate include statements for interrupts and clock-names
to resolve errors identified by `dt_binding_check` and `dtbs_check`.

Signed-off-by: Charan Pedumuru <charan.pedumuru@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250507-mchp-sdhci-v1-2-ed29de05295a@gmail.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>