rcar_gen3: drivers: rpc: Modify PFC code

Modify PFC code and rename macro of MFIS according to Errata of
Hardware User's Manual

Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I0ece522647319286350843bbbe8b8ba8b0ae9bac
diff --git a/drivers/renesas/rcar/pfc/D3/pfc_init_d3.c b/drivers/renesas/rcar/pfc/D3/pfc_init_d3.c
index 7e9bde9..aaa3b43 100644
--- a/drivers/renesas/rcar/pfc/D3/pfc_init_d3.c
+++ b/drivers/renesas/rcar/pfc/D3/pfc_init_d3.c
@@ -610,7 +610,7 @@
 
 	/* initialize POC control register */
 	pfc_reg_write(PFC_POCCTRL0,   0xC00FFFFFU);
-	pfc_reg_write(PFC_POCCTRL1,   0XFFFFFFFEU);
+	pfc_reg_write(PFC_POCCTRL2,   0XFFFFFFFEU);
 	pfc_reg_write(PFC_TDSELCTRL0, 0x00000000U);
 
 	/* initialize LSI pin pull-up/down control */