Add the r8a7791 thermal device as legacy clocks.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Acked-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>