thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST
thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST

This helps increasing build testing coverage.

Cc: Zhang Rui <f2a4cf793007be8f81a774dc7806c1ffea7b4a2c@intel.com>
Cc: Eduardo Valentin <977df7d8e3020f3c4acf757f6ad9c6cf2bc8f2d7@ti.com>
Cc: b46218f6b44e9c202c4acd9f095c69546b4b0dff@vger.kernel.org
Signed-off-by: Laurent Pinchart <ae960578cc5eca7b9b1dbc37d9caa6cb634f35e0@ideasonboard.com>
Acked-by: Simon Horman <a105fd58f578dea0be108941d4c59d15396e1855@verge.net.au>
Acked-by: Eduardo Valentin <977df7d8e3020f3c4acf757f6ad9c6cf2bc8f2d7@ti.com>
Signed-off-by: Zhang Rui <f2a4cf793007be8f81a774dc7806c1ffea7b4a2c@intel.com>

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