[PATCH] docs: hwmon: Add an entry for mp2888

[Fabio Estevam <festevam@xxxxxxxxx>]

The entry for mp2888 is missing and it causes the following
'make htmldocs' build warning:

Documentation/hwmon/mp2888.rst: WARNING: document isn't included in any toctree

Add the mp2888 entry.

Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx>
---
 Documentation/hwmon/index.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst
index 9ed60fa84cbe..6925a8a70511 100644
--- a/Documentation/hwmon/index.rst
+++ b/Documentation/hwmon/index.rst
@@ -137,6 +137,7 @@ Hardware Monitoring Kernel Drivers
    mcp3021
    menf21bmc
    mlxreg-fan
+   mp2888
    mp2975
    nct6683
    nct6775
-- 
2.25.1