ARM: uniphier: fix delay fixup code in LD11 UMC init

The ddrphy_shift_rof_hws() never writes back the shifted delay value
to the register, which makes this function non-effective.

Signed-off-by: Kotaro Hayashi <hayashi.kotaro@socionext.com>
[masahiro: add git log]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/dram/umc-ld11.c

@@ -271,6 +271,7 @@ static void ddrphy_shift_rof_hws(void __iomem *phy_base, const int pos_shift[][2
 			rdqnsd = clamp(rdqnsd + ddrphy_hpstep(neg_shift[block][byte], dx, phy_base),
 				       0U, 0xffU);
 			lcdlr1 = (lcdlr1 & ~(0xffff << 8)) | (rdqsd << 8) | (rdqnsd << 16);
+			writel(lcdlr1, phy_base + PHY_DXLCDLR1(dx));
 			readl(phy_base + PHY_DXLCDLR1(dx)); /* relax */
 		}
 	}