Try enabling these also:
CONFIG_MMC_RICOH_MMC ( Device Drivers > MMC/SD/SDIO card support / "Ricoh MMC Controller Disabler" )
CONFIG_MTD_NAND_ECC_BCH (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Support software BCH ECC")
CONFIG_MTD_NAND_DENALI (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Support Denali NAND controller" )
CONFIG_MTD_NAND_RICOH ( Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Ricoh xD card reader")
CONFIG_MTD_NAND_DISKONCHIP (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Device Drivers > Memory Technology Device (MTD) support > NAND Device Support ")
CONFIG_MTD_NAND_DOCG4 (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Support for DiskOnChip G4")
CONFIG_MTD_NAND_CAFE (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "NAND support for OLPC CAFÃ~I chip")
CONFIG_MTD_NAND_CS553X (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "NAND support for CS5535/CS5536 (AMD Geode companion chip)")
CONFIG_MTD_NAND_NANDSIM (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Support for NAND Flash Simulator")
CONFIG_MTD_NAND_PLATFORM (Device Drivers > Memory Technology Device (MTD) support > NAND Device Support / "Support for generic platform NAND driver")
CONFIG_MTD_PMC551 (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "Ramix PMC551 PCI Mezzanine RAM card support")
CONFIG_MTD_DATAFLASH (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "Support for AT45xxx DataFlash")
CONFIG_MTD_SST25L (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "Support SST25L (non JEDEC) SPI Flash chips")
CONFIG_MTD_SLRAM (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "Uncached system RAM")
CONFIG_MTD_PHRAM (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "Physical system RAM")
CONFIG_MTD_BLOCK2MTD (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "MTD using block device")
CONFIG_MTD_DOCG3 (Device Drivers > Memory Technology Device (MTD) support > Self-contained MTD device drivers / "M-Systems Disk-On-Chip G3")
CONFIG_MTD_CFI (Device Drivers > Memory Technology Device (MTD) support > RAM/ROM/Flash chip drivers / "Detect flash chips by Common Flash Interface (CFI) probe")
CONFIG_MTD_JEDECPROBE (Device Drivers > Memory Technology Device (MTD) support > RAM/ROM/Flash chip drivers / "Detect non-CFI AMD/JEDEC-compatible flash chips")
CONFIG_MTD_RAM (Device Drivers > Memory Technology Device (MTD) support > RAM/ROM/Flash chip drivers / "Support for RAM chips in bus mapping")
CONFIG_MTD_ROM (Device Drivers > Memory Technology Device (MTD) support > RAM/ROM/Flash chip drivers / "Support for ROM chips in bus mapping")
CONFIG_MTD_ABSENT (Device Drivers > Memory Technology Device (MTD) support > RAM/ROM/Flash chip drivers / "Support for absent chips in bus mapping")
CONFIG_MTD_COMPLEX_MAPPINGS (Device Drivers > Memory Technology Device (MTD) support > Mapping drivers for chip access / "Support non-linear mappings of flash chips")
CONFIG_MTD_PHYSMAP (Device Drivers > Memory Technology Device (MTD) support > Mapping drivers for chip access / "Flash device in physical memory map")
CONFIG_MTD_INTEL_VR_NOR (Device Drivers > Memory Technology Device (MTD) support > Mapping drivers for chip access / "NOR flash on Intel Vermilion Range Expansion Bus CS0")
CONFIG_MTD_PLATRAM (Device Drivers > Memory Technology Device (MTD) support > Mapping drivers for chip access / "Map driver for platform device RAM (mtd-ram)")
# Not sure about these 2 ones... maybe you could enable then on a 2nd round if necessary...
CONFIG_USB_EHCI_HCD_PLATFORM ( Device Drivers > USB support / "Generic EHCI driver for a platform device" )
CONFIG_USB_OHCI_HCD_PLATFORM ( Device Drivers > USB support / "Generic OHCI driver for a platform device" )