feat: Add support for reading CPU (dev.cpu.*.temperature) and ACPI thermal zone (hw.acpi.thermal.tz*) temperature sensors on FreeBSD systems. (#2227)

Co-authored-by: roib <roib@elsec.us>

agent/sensors_freebsd.go

@@ -0,0 +1,14 @@
+//go:build freebsd
+
+package agent
+
+import (
+	"context"
+
+	"github.com/shirou/gopsutil/v4/sensors"
+	"golang.org/x/sys/unix"
+)
+
+var getSensorTemps = func(ctx context.Context) ([]sensors.TemperatureStat, error) {
+	return getFreeBSDSensorTemps(ctx, unix.SysctlUint32)
+}