remove old kernel config.

iopsys-brcm63xx-mips/config-3.3

-CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
-CONFIG_ARCH_DISCARD_MEMBLOCK=y
-CONFIG_ARCH_HIBERNATION_POSSIBLE=y
-CONFIG_ARCH_REQUIRE_GPIOLIB=y
-CONFIG_ARCH_SUSPEND_POSSIBLE=y
-CONFIG_AUDIT=y
-CONFIG_AUDIT_GENERIC=y
-CONFIG_BCM63XX=y
-CONFIG_BCM63XX_CPU_6328=y
-CONFIG_BCM63XX_CPU_6338=y
-CONFIG_BCM63XX_CPU_6345=y
-CONFIG_BCM63XX_CPU_6348=y
-CONFIG_BCM63XX_CPU_6358=y
-CONFIG_BCM63XX_CPU_6362=y
-CONFIG_BCM63XX_CPU_6368=y
-CONFIG_BCM63XX_ENET=y
-CONFIG_BCM63XX_PHY=y
-CONFIG_BCM63XX_WDT=y
-CONFIG_BCMA_POSSIBLE=y
-CONFIG_BOARD_BCM963XX=y
-# CONFIG_BOARD_LIVEBOX is not set
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_CEVT_R4K=y
-CONFIG_CEVT_R4K_LIB=y
-CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,115200"
-CONFIG_CMDLINE_BOOL=y
-# CONFIG_CMDLINE_OVERRIDE is not set
-CONFIG_CPU_BIG_ENDIAN=y
-CONFIG_CPU_HAS_PREFETCH=y
-CONFIG_CPU_HAS_SYNC=y
-CONFIG_CPU_MIPS32=y
-CONFIG_CPU_MIPS32_R1=y
-CONFIG_CPU_MIPSR1=y
-CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_HIGHMEM=y
-CONFIG_CRAMFS=y
-CONFIG_CSRC_R4K=y
-CONFIG_CSRC_R4K_LIB=y
-CONFIG_DECOMPRESS_LZMA=y
-CONFIG_DMA_NONCOHERENT=y
-CONFIG_EARLY_PRINTK=y
-CONFIG_ELF_CORE=y
-CONFIG_FIRMWARE_IN_KERNEL=y
-CONFIG_GENERIC_ATOMIC64=y
-CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
-CONFIG_GENERIC_CMOS_UPDATE=y
-CONFIG_GENERIC_GPIO=y
-CONFIG_GENERIC_IRQ_SHOW=y
-CONFIG_GENERIC_PCI_IOMAP=y
-CONFIG_GPIOLIB=y
-CONFIG_GPIO_74X164=y
-CONFIG_GPIO_DEVICE=y
-CONFIG_GPIO_SYSFS=y
-# CONFIG_HAMRADIO is not set
-CONFIG_HARDWARE_WATCHPOINTS=y
-CONFIG_HAS_DMA=y
-CONFIG_HAS_IOMEM=y
-CONFIG_HAS_IOPORT=y
-CONFIG_HAVE_ARCH_JUMP_LABEL=y
-CONFIG_HAVE_ARCH_KGDB=y
-CONFIG_HAVE_C_RECORDMCOUNT=y
-CONFIG_HAVE_DMA_API_DEBUG=y
-CONFIG_HAVE_DMA_ATTRS=y
-CONFIG_HAVE_DYNAMIC_FTRACE=y
-CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
-CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
-CONFIG_HAVE_FUNCTION_TRACER=y
-CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
-CONFIG_HAVE_GENERIC_DMA_COHERENT=y
-CONFIG_HAVE_GENERIC_HARDIRQS=y
-CONFIG_HAVE_IDE=y
-CONFIG_HAVE_IRQ_WORK=y
-CONFIG_HAVE_MEMBLOCK=y
-CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
-CONFIG_HAVE_OPROFILE=y
-CONFIG_HAVE_PERF_EVENTS=y
-CONFIG_HW_HAS_PCI=y
-CONFIG_HW_RANDOM=y
-CONFIG_HW_RANDOM_BCM63XX=y
-CONFIG_HZ=250
-# CONFIG_HZ_100 is not set
-CONFIG_HZ_250=y
-CONFIG_IMAGE_CMDLINE_HACK=y
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_IP_PIMSM_V1=y
-CONFIG_IP_PIMSM_V2=y
-CONFIG_IRQ_CPU=y
-CONFIG_IRQ_FORCED_THREADING=y
-CONFIG_KEXEC=y
-CONFIG_LEDS_GPIO=y
-CONFIG_M25PXX_USE_FAST_READ=y
-CONFIG_MDIO_BOARDINFO=y
-CONFIG_MIPS=y
-CONFIG_MIPS_L1_CACHE_SHIFT=5
-# CONFIG_MIPS_MACHINE is not set
-CONFIG_MIPS_MT_DISABLED=y
-CONFIG_MODULE_FORCE_LOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_MTD_BCM63XX_PARTS=y
-CONFIG_MTD_CFI_ADV_OPTIONS=y
-CONFIG_MTD_CFI_BE_BYTE_SWAP=y
-# CONFIG_MTD_CFI_GEOMETRY is not set
-# CONFIG_MTD_CFI_NOSWAP is not set
-CONFIG_MTD_CFI_STAA=y
-CONFIG_MTD_CMDLINE_PARTS=y
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-CONFIG_MTD_JEDECPROBE=y
-CONFIG_MTD_M25P80=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_REDBOOT_PARTS=y
-CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
-CONFIG_NEED_DMA_MAP_STATE=y
-CONFIG_NEED_PER_CPU_KM=y
-CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
-CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_PCI=y
-# CONFIG_PCIEAER is not set
-CONFIG_PCIEPORTBUS=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_PERF_USE_VMALLOC=y
-CONFIG_PHYLIB=y
-CONFIG_RTL8366_SMI=y
-CONFIG_RTL8367_PHY=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_POSIX_MQUEUE_SYSCTL=y
-# CONFIG_PREEMPT_RCU is not set
-CONFIG_RELAY=y
-# CONFIG_SCSI_DMA is not set
-# CONFIG_SERIAL_8250 is not set
-CONFIG_SERIAL_BCM63XX=y
-CONFIG_SERIAL_BCM63XX_CONSOLE=y
-CONFIG_SPI=y
-# CONFIG_SPI_BCM63XX is not set
-CONFIG_SPI_BCM63XX_HSSPI=y
-CONFIG_SPI_BITBANG=y
-CONFIG_SPI_GPIO=y
-CONFIG_SPI_MASTER=y
-CONFIG_SQUASHFS_EMBEDDED=y
-CONFIG_SSB=y
-CONFIG_SSB_B43_PCI_BRIDGE=y
-CONFIG_SSB_BLOCKIO=y
-# CONFIG_SSB_DRIVER_MIPS is not set
-CONFIG_SSB_DRIVER_PCICORE=y
-CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
-CONFIG_SSB_PCIHOST=y
-CONFIG_SSB_PCIHOST_POSSIBLE=y
-CONFIG_SSB_SPROM=y
-CONFIG_SWAP_IO_SPACE=y
-CONFIG_SWCONFIG=y
-CONFIG_SYS_HAS_CPU_MIPS32_R1=y
-CONFIG_SYS_HAS_EARLY_PRINTK=y
-CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
-CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
-CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
-CONFIG_USB_ARCH_HAS_XHCI=y
-CONFIG_USB_SUPPORT=y
-CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_WATCHDOG_NOWAYOUT=y
-CONFIG_XZ_DEC=y
-CONFIG_ZONE_DMA_FLAG=0