ARM: tegra: use IO_ADDRESS for getting virtual address

Use macro IO_ADDRESS for getting virtual address of
corresponding physical address to make the consistency
with rest of Tegra code-base.
This macro calls the IO_TO_VIRT() which is defined in
arch/arm/mach-tegra/include/mach/iomap.h

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/apbio.c b/arch/arm/mach-tegra/apbio.c
index dc0fe38..643a378 100644
--- a/arch/arm/mach-tegra/apbio.c
+++ b/arch/arm/mach-tegra/apbio.c
@@ -293,12 +293,12 @@
 
 static u32 tegra_apb_readl_direct(unsigned long offset)
 {
-	return readl(IO_TO_VIRT(offset));
+	return readl(IO_ADDRESS(offset));
 }
 
 static void tegra_apb_writel_direct(u32 value, unsigned long offset)
 {
-	writel(value, IO_TO_VIRT(offset));
+	writel(value, IO_ADDRESS(offset));
 }
 
 void tegra_apb_io_init(void)