sysutils/intel-undervolt: update to 1.7

Major changes for 1.6:
    * Fix flipped short term and long term enabled state
    * Partial FreeBSD and DragonFly BSD support
    * Allow to measure the power consumption using intel_rapl
    * Allow to enable or disable power limits
    * tdp is replaced with power package
    * apply is replaced with undervolt

Major changes for 1.7:
    * Add HWP hint switching feature
    * Add elogind support
    * Add OpenRC support
    * Use /bin/sh instead of /bin/bash
    * Add command line options
    * Allow to configure daemon actions
    * Add configuration option for triggers

Port changes:
    * reorder makefile to make linter happy
    * remove bash run dependency