clk: renesas: r8a77980: Fix RPC-IF module clock's parent

Testing has shown that the RPC-IF module clock's parent is the RPCD2
clock, not the RPC one -- the RPC-IF register reads stall otherwise...

Fixes: 94e3935b ("clk: renesas: r8a77980: Add RPC clocks")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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

@@ -171,7 +171,7 @@ static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = {
 	DEF_MOD("gpio1",		 911,	R8A77980_CLK_CP),
 	DEF_MOD("gpio0",		 912,	R8A77980_CLK_CP),
 	DEF_MOD("can-fd",		 914,	R8A77980_CLK_S3D2),
-	DEF_MOD("rpc-if",		 917,	R8A77980_CLK_RPC),
+	DEF_MOD("rpc-if",		 917,	R8A77980_CLK_RPCD2),
 	DEF_MOD("i2c4",			 927,	R8A77980_CLK_S0D6),
 	DEF_MOD("i2c3",			 928,	R8A77980_CLK_S0D6),
 	DEF_MOD("i2c2",			 929,	R8A77980_CLK_S3D2),