clk: renesas: r8a77980: Add I2C5 clock

The MSSR clock definition for I2C5 was missing.  Add it.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230328033902.830269-1-nikita.yoush@cogentembedded.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/r8a77980-cpg-mssr.c

@@ -190,6 +190,7 @@ static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = {
 	DEF_MOD("gpio0",		 912,	R8A77980_CLK_CP),
 	DEF_MOD("can-fd",		 914,	R8A77980_CLK_S3D2),
 	DEF_MOD("rpc-if",		 917,	R8A77980_CLK_RPCD2),
+	DEF_MOD("i2c5",			 919,	R8A77980_CLK_S0D6),
 	DEF_MOD("i2c4",			 927,	R8A77980_CLK_S0D6),
 	DEF_MOD("i2c3",			 928,	R8A77980_CLK_S0D6),
 	DEF_MOD("i2c2",			 929,	R8A77980_CLK_S3D2),