ARM: uniphier: remove DRAM base address from board parameters

The base address of each DRAM channel can be calculated from other
parameters, so does not need hard-coding.  What we need is the size
of each DRAM channel and DRAM_SPARSE flag to decide the start address
of DRAM channel 1.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/bcu/bcu-sld3.c b/arch/arm/mach-uniphier/bcu/bcu-sld3.c
index 64efd37..99b318f 100644
--- a/arch/arm/mach-uniphier/bcu/bcu-sld3.c
+++ b/arch/arm/mach-uniphier/bcu/bcu-sld3.c
@@ -28,7 +28,7 @@
 	writel(0x24440000, BCSCR5);
 
 	/* Specify DDR channel */
-	shift = (bd->dram_ch[1].base - bd->dram_ch[0].base) / 0x04000000 * 4;
+	shift = bd->dram_ch[0].size / 0x04000000 * 4;
 	writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */
 
 	shift -= 32;