ARM: uniphier: remove unused argument of ph1_ld4_ddrphy_init()

The DDR PHY settings no longer depend on the DRAM size.  Drop the
argument from the init function.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
index a27f91f..73ad934 100644
--- a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
+++ b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
@@ -97,14 +97,14 @@
 
 	writel(0x00000101, dramcont0 + UMC_DIOCTLA);
 
-	ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0, ddr3plus);
+	ph1_ld4_ddrphy_init(phy0_0, freq, ddr3plus);
 
 	ddrphy_prepare_training(phy0_0, 0);
 	ddrphy_training(phy0_0);
 
 	writel(0x00000101, dramcont1 + UMC_DIOCTLA);
 
-	ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1, ddr3plus);
+	ph1_ld4_ddrphy_init(phy1_0, freq, ddr3plus);
 
 	ddrphy_prepare_training(phy1_0, 1);
 	ddrphy_training(phy1_0);