ARM: tegra: remove USB address related macros from iomap.h

USB register base address and sizes defined in iomap.h
are not used in any files other than board-dt-tegra20.c.
Hence removed those defines from header file and using
the absolute values in board files.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

arch/arm/mach-tegra/iomap.h

@@ -240,15 +240,6 @@
 #define TEGRA_CSITE_BASE		0x70040000
 #define TEGRA_CSITE_SIZE		SZ_256K
 
-#define TEGRA_USB_BASE			0xC5000000
-#define TEGRA_USB_SIZE			SZ_16K
-
-#define TEGRA_USB2_BASE			0xC5004000
-#define TEGRA_USB2_SIZE			SZ_16K
-
-#define TEGRA_USB3_BASE			0xC5008000
-#define TEGRA_USB3_SIZE			SZ_16K
-
 #define TEGRA_SDMMC1_BASE		0xC8000000
 #define TEGRA_SDMMC1_SIZE		SZ_512