arm: socfpga: system: Rework sysmgr_enable_warmrstcfgio()

Rework sysmgr_enable_warmrstcfgio() into sysmgr_config_warmrstcfgio(),
which allows both enabling and disabling the warm reset config I/O
functionality.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c
index 1fecfdc..fd54ea9 100644
--- a/arch/arm/mach-socfpga/spl.c
+++ b/arch/arm/mach-socfpga/spl.c
@@ -78,7 +78,7 @@
 	cm_basic_init(cm_default_cfg);
 
 	/* Enable bootrom to configure IOs. */
-	sysmgr_enable_warmrstcfgio();
+	sysmgr_config_warmrstcfgio(1);
 
 	/* configure the IOCSR / IO buffer settings */
 	if (scan_mgr_configure_iocsr())