thermal: rockchip: improve the conversion function
thermal: rockchip: improve the conversion function

We should make the conversion table in as a parameter since the different
SoCs have the different conversionion table.

Signed-off-by: Caesar Wang <6a97ab1d8fae3a62719c8e695586fe709398a94a@rock-chips.com>
Signed-off-by: Eduardo Valentin <19583d7f5a73f900a77b3924aabdcb631a4c7608@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs