lpc32xx: add common USB OHCI defines for all LPC32xx boards

The change adds a number of macro definitions used by USB OHCI driver,
if CONFIG_USB_OHCI_LPC32XX is selected from a board config file.
Signed-off-by: NVladimir Zapolskiy <vz@mleia.com>
Tested-by: NSylvain Lemieux <slemieux@tycoint.com>

arch/arm/include/asm/arch-lpc32xx/config.h

@@ -90,4 +90,13 @@
 #define CONFIG_SYS_FLASH_PROTECTION
 #endif
 
+/* USB OHCI */
+#if defined(CONFIG_USB_OHCI_LPC32XX)
+#define CONFIG_USB_OHCI_NEW
+#define CONFIG_SYS_USB_OHCI_CPU_INIT
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
+#define CONFIG_SYS_USB_OHCI_REGS_BASE		USB_BASE
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"lpc32xx-ohci"
+#endif
+
 #endif /* _LPC32XX_CONFIG_H */