dt-bindings: hwmon: ltc2978: add support for ltc7841

Add LTC7841 to supported devices of LTC2978. It has similar set of
registers to LTC7880, differing only in number of output channels and
some unimplemented PMBUS status and functionalities.

Signed-off-by: Mariel Tinaco <[email protected]>
Acked-by: Rob Herring (Arm) <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>

Author: MarielTinaco

Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml

@@ -26,6 +26,7 @@ properties:
       - lltc,ltc3886
       - lltc,ltc3887
       - lltc,ltc3889
+      - lltc,ltc7841
       - lltc,ltc7880
       - lltc,ltm2987
       - lltc,ltm4664
@@ -50,6 +51,7 @@ properties:
       * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
       * ltc2978 : vout0 - vout7
       * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
+      * ltc7841 : vout0
       * ltc7880 : vout0 - vout1
       * ltc3883 : vout0
       * ltm4664 : vout0 - vout1