board: Arcturus: ucp1020: Removing obsoleted stuff

Removed one of the defconfig(obsoleted) file
and unused CONFIG_MMC_SPI definition to avoid confusion
about if this board using non-DM stuff or not.
uCP1020 is completely DM free board, tested and runs well.

Signed-off-by: Oleksandr Zhadan <oleks@arcturusnetworks.com>
Signed-off-by: Michael Durrant <mdurrant@arcturusnetworks.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

configs/UCP1020_SPIFLASH_defconfig

@@ -1,60 +0,0 @@
-CONFIG_PPC=y
-CONFIG_SYS_TEXT_BASE=0x11000000
-CONFIG_MPC85xx=y
-CONFIG_TARGET_UCP1020=y
-CONFIG_TARGET_UCP1020_SPIFLASH=y
-CONFIG_FIT=y
-CONFIG_FIT_VERBOSE=y
-CONFIG_OF_BOARD_SETUP=y
-CONFIG_OF_STDOUT_VIA_ALIAS=y
-# CONFIG_MISC_INIT_R is not set
-CONFIG_BOARD_EARLY_INIT_F=y
-CONFIG_BOARD_EARLY_INIT_R=y
-CONFIG_LAST_STAGE_INIT=y
-CONFIG_HUSH_PARSER=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_AUTOBOOT_KEYED=y
-CONFIG_AUTOBOOT_PROMPT="Autobooting in %d seconds, press \"<Esc>\" to stop\n"
-CONFIG_AUTOBOOT_STOP_STR="\x1b"
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_GPIO=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_MMC=y
-# CONFIG_CMD_NAND is not set
-CONFIG_CMD_MMC_SPI=y
-CONFIG_CMD_SF=y
-CONFIG_CMD_SPI=y
-CONFIG_CMD_USB=y
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_CMD_DATE=y
-CONFIG_MP=y
-# CONFIG_CMD_HASH is not set
-CONFIG_CMD_CRAMFS=y
-CONFIG_CMD_EXT2=y
-CONFIG_CMD_FAT=y
-CONFIG_ENV_IS_IN_SPI_FLASH=y
-CONFIG_FSL_ESDHC=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_FLASH_CFI_DRIVER=y
-CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
-CONFIG_SYS_FLASH_CFI=y
-CONFIG_SPI_FLASH=y
-CONFIG_SF_DEFAULT_MODE=0
-CONFIG_SF_DEFAULT_SPEED=10000000
-CONFIG_SPI_FLASH_STMICRO=y
-CONFIG_SPI_FLASH_SST=y
-CONFIG_SPI_FLASH_WINBOND=y
-CONFIG_PHY_MARVELL=y
-CONFIG_PHY_GIGE=y
-CONFIG_E1000=y
-CONFIG_MII=y
-CONFIG_TSEC_ENET=y
-CONFIG_SYS_NS16550=y
-CONFIG_SPI=y
-CONFIG_FSL_ESPI=y
-CONFIG_USB=y
-CONFIG_USB_STORAGE=y
-CONFIG_FS_CRAMFS=y
-CONFIG_OF_LIBFDT=y