docs: hwmon: Include 'inspur-ipsps1.rst' into docs

When generating documentation output Sphinx
outputs a warning for not including
the page 'inspur-ipsps1.rst' in 'index.rst'.

Assuming this documentation is useful it
should be included in the index.

Signed-off-by: Adam Zerella <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>

Author: azerella

Documentation/hwmon/index.rst

@@ -7,6 +7,7 @@ Linux Hardware Monitoring
 
    hwmon-kernel-api
    pmbus-core
+   inspur-ipsps1
    submitting-patches
    sysfs-interface
    userspace-tools