omap3: remove typedefs for configuration structs

board/omap3/beagle/beagle.c

board/omap3/evm/evm.c

board/omap3/pandora/pandora.c

board/omap3/zoom2/zoom2.c

cpu/arm_cortexa8/omap3/board.c

cpu/arm_cortexa8/omap3/clock.c

cpu/arm_cortexa8/omap3/mem.c

cpu/arm_cortexa8/omap3/sys_info.c

cpu/arm_cortexa8/omap3/timer.c

drivers/mtd/nand/omap_gpmc.c

include/asm-arm/arch-omap3/cpu.h

include/asm-arm/arch-omap3/mem.h

include/asm-arm/arch-omap3/omap3.h

include/configs/omap3_beagle.h

include/configs/omap3_evm.h

include/configs/omap3_overo.h

include/configs/omap3_pandora.h

include/configs/omap3_zoom1.h

include/configs/omap3_zoom2.h