ARM: uniphier: disable debug circuit clocks for PH1-Pro4

These settings control the clocks around the memory controller.
The debug ability is unneeded once it works properly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
index c28492c..f89b1da 100644
--- a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
+++ b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
@@ -24,9 +24,9 @@
 
 static void umc_start_ssif(void __iomem *ssif_base)
 {
-	writel(0x00000001, ssif_base + 0x0000b004);
+	writel(0x00000000, ssif_base + 0x0000b004);
 	writel(0xffffffff, ssif_base + 0x0000c004);
-	writel(0x07ffffff, ssif_base + 0x0000c008);
+	writel(0x000fffcf, ssif_base + 0x0000c008);
 	writel(0x00000001, ssif_base + 0x0000b000);
 	writel(0x00000001, ssif_base + 0x0000c000);