ARM: uniphier: de-couple SC macros into base address and offset

The SC_* macros represent the address of SysCtrl registers.
For a planned new SoC, its base address will be changed.

Turn the SC_* macros into the offset from the base address.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/reset.c b/arch/arm/mach-uniphier/reset.c
index 28c95e2..31685d0 100644
--- a/arch/arm/mach-uniphier/reset.c
+++ b/arch/arm/mach-uniphier/reset.c
@@ -22,14 +22,14 @@
 {
 	u32 tmp;
 
-	writel(5, SC_IRQTIMSET); /* default value */
+	writel(5, sc_base + SC_IRQTIMSET); /* default value */
 
-	tmp  = readl(SC_SLFRSTSEL);
+	tmp  = readl(sc_base + SC_SLFRSTSEL);
 	tmp &= ~0x3; /* mask [1:0] */
 	tmp |= 0x0;  /* XRST reboot */
-	writel(tmp, SC_SLFRSTSEL);
+	writel(tmp, sc_base + SC_SLFRSTSEL);
 
-	tmp = readl(SC_SLFRSTCTL);
+	tmp = readl(sc_base + SC_SLFRSTCTL);
 	tmp |= 0x1;
-	writel(tmp, SC_SLFRSTCTL);
+	writel(tmp, sc_base + SC_SLFRSTCTL);
 }