sh-pfc: r8a7778: add I2C pin groups

Add I2C SDA/SCL pin groups to R8A7778 PFC driver.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 file changed