arm64: dts: msm8916: thermal: Fixup HW ids for cpu sensors

msm8916 uses sensors 0, 1, 2, 4 and 5. Sensor 3 is NOT used. Fixup the
device tree so that the correct sensor ID is used and as a result we can
actually check the temperature for the cpu2_3 sensor.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <agross@kernel.org>