rcar_gen3: drivers: cpld: Move rcar_cpld_reset_cpu() into header

Move the rcar_cpld_reset_cpu() function into header file and zap the externs.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/plat/renesas/rcar/plat_pm.c b/plat/renesas/rcar/plat_pm.c
index dbf3ac5..245a45a 100644
--- a/plat/renesas/rcar/plat_pm.c
+++ b/plat/renesas/rcar/plat_pm.c
@@ -22,6 +22,7 @@
 #include "pwrc.h"
 #include "rcar_def.h"
 #include "rcar_private.h"
+#include "ulcb_cpld.h"
 
 #define	DVFS_SET_VID_0V		(0x00)
 #define	P_ALL_OFF		(0x80)
@@ -41,10 +42,6 @@
 extern void plat_rcar_gic_init(void);
 extern u_register_t rcar_boot_mpidr;
 
-#if (RCAR_GEN3_ULCB == 1)
-extern void rcar_cpld_reset_cpu(void);
-#endif
-
 static uintptr_t rcar_sec_entrypoint;
 
 static void rcar_program_mailbox(uint64_t mpidr, uint64_t address)
diff --git a/plat/renesas/rcar/platform.mk b/plat/renesas/rcar/platform.mk
index b897601..5d1f5f6 100644
--- a/plat/renesas/rcar/platform.mk
+++ b/plat/renesas/rcar/platform.mk
@@ -311,6 +311,7 @@
 			-Idrivers/staging/renesas/rcar/qos	\
 			-Idrivers/renesas/rcar/iic_dvfs		\
 			-Idrivers/renesas/rcar/board		\
+			-Idrivers/renesas/rcar/cpld/		\
 			-Idrivers/renesas/rcar/avs		\
 			-Idrivers/renesas/rcar/delay		\
 			-Idrivers/renesas/rcar/rom		\