regulator: mcp16502: document lpm as optional

Document LPM pin as optional.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1610028927-9842-2-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Claudiu Beznea 2021-01-07 16:15:25 +02:00 • committed by Mark Brown
commit eea0b4e213
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0