hwmon: Add support for Lineage Compact Power Line PEM devices

This patch adds support for hardware monitoring of Lineage Compact Power Line
Power Entry Modules.

Reviewed-by: Tom Grennan <tom.grennan@ericsson.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

diff --cc Documentation/hwmon/lineage-pem
Simple merge

diff --cc drivers/hwmon/Kconfig
Simple merge

diff --cc drivers/hwmon/Makefile
Simple merge

diff --cc drivers/hwmon/lineage-pem.c
Simple merge