Add bindings for QCOM AMOLED regulator which is used to configure
triple power supply for amoled displays.
This is a snapshot of the bindings taken as of qcom-6.1
commit 6f13701949ee ("dt-bindings: qpnp-amoled: Fix the IBB Spur mitigation example code")
and converted from .txt to .yaml file.
Change-Id: I51f6029f2a140e5a6d2a53d3b1a2d468a8721bfa
Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>