dt-bindings: pinctrl: qcom: Describe Hawi TLMM block

dt-bindings: pinctrl: qcom: Describe Hawi TLMM block

The Top Level Mode Multiplexer (TLMM) in the Qualcomm Hawi SoC
provides GPIO and pinctrl functionality for UFS, SDC and 226
GPIO pins.

Add a DeviceTree binding to describe the TLMM block on Qualcomm's
Hawi SoC.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>