hwmon: (pmbus/zl6100) Add support for Ericsson BMR45[0,1] and BMR46[2,3,4]

Add support for Ericsson BMR450, BMR451, BMR462, BMR463, and BMR464, which are
based on ZL2005 and ZL2008, to zl6100 driver. Remove BMR450 and BMR451 device
IDs from generic PMBus driver.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>