Add system files to set up group access for performance mode

Add a sysusers.d file to create a 'surface-control' group as well as udev rules to change the group ownership of the sysfs 'perf_mode' attribute to that group. This group can then be used to change the performance mode without sudo.
linux-surface · Feb 5, 2021 · 190f21f · 190f21f
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commit 190f21f
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diff --git a/etc/sysusers/surface-control.conf b/etc/sysusers/surface-control.conf
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+g surface-control - -
diff --git a/etc/udev/40-surface-control.rules b/etc/udev/40-surface-control.rules
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+KERNEL=="01:03:01:00:01", SUBSYSTEM=="surface_aggregator", RUN+="/usr/bin/chmod 664 /sys/bus/surface_aggregator/devices/01:03:01:00:01/perf_mode"
+KERNEL=="01:03:01:00:01", SUBSYSTEM=="surface_aggregator", RUN+="/usr/bin/chown root:surface-control /sys/bus/surface_aggregator/devices/01:03:01:00:01/perf_mode"
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		KERNEL=="01:03:01:00:01", SUBSYSTEM=="surface_aggregator", RUN+="/usr/bin/chmod 664 /sys/bus/surface_aggregator/devices/01:03:01:00:01/perf_mode"
		KERNEL=="01:03:01:00:01", SUBSYSTEM=="surface_aggregator", RUN+="/usr/bin/chown root:surface-control /sys/bus/surface_aggregator/devices/01:03:01:00:01/perf_mode"