arm64: dts: juno: add thermal zones for scpi sensors

The juno dts have entries for the hwmon scpi, let's create thermal zones
for the temperature sensors described in the Juno ARM Development
Platform Implementation Details.

Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>