dt-bindings: trivial-devices: Add Injoinic power bank ICs

Some Injoinic power bank ICs feature an I2C interface which allows
monitoring and controlling the battery charger and boost converter.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -141,6 +141,14 @@ properties:
           - infineon,xdpe12254
             # Infineon Multi-phase Digital VR Controller xdpe12284
           - infineon,xdpe12284
+            # Injoinic IP5108 2.0A Power Bank IC with I2C
+          - injoinic,ip5108
+            # Injoinic IP5109 2.1A Power Bank IC with I2C
+          - injoinic,ip5109
+            # Injoinic IP5207 1.2A Power Bank IC with I2C
+          - injoinic,ip5207
+            # Injoinic IP5209 2.4A Power Bank IC with I2C
+          - injoinic,ip5209
             # Inspur Power System power supply unit version 1
           - inspur,ipsps1
             # Intersil ISL29028 Ambient Light and Proximity Sensor