dt-bindings: pinctrl: brcm,bcm11351-pinctrl: Convert to YAML

Convert Broadcom BCM281xx pin controller bindings to DT schema.

Signed-off-by: Stanislav Jakubek <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/ZMZ3aEnrrZRDNdO+@standask-GA-A55M-S2HP
Signed-off-by: Linus Walleij <[email protected]>

Author: Stanislav Jakubek