nominal_power and max_power_red attrs can now be set per resource

Before this commit, only max_power_red was specified and it could only
be used as a defaults and could not be set per object. Together with
nominal_power, it can be useful to be able to set them to different
values for different objects, as for example different osmo-bts-trx
objects can require different values.

Change-Id: I472742e98052cc39686d38c945be76d7f50eeebd
8 files changed