dt-bindings: input: qcom,pm8941-pwrkey: Document PMM8654AU

Add compatible strings for PMM8654AU power key and resin support.
These blocks are compatible with PMK8350, so use that as the
fallback.

Signed-off-by: Rakesh Kota <rakesh.kota@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260209-add_pwrkey_and_resin-v2-2-f944d87b9a93@oss.qualcomm.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>