board: Arcturus: DM: Disable drivers without DM support.

Extra "not DM" controllers support is disabled.
u-boot BSP still good enough to upgrade and run images.

Signed-off-by: Oleksandr Zhadan <oleks@arcturusnetworks.com>
Signed-off-by: Michael Durrant <mdurrant@arcturusnetworks.com>
diff --git a/configs/UCP1020_defconfig b/configs/UCP1020_defconfig
index 0a676d4..128f10f 100644
--- a/configs/UCP1020_defconfig
+++ b/configs/UCP1020_defconfig
@@ -19,12 +19,9 @@
 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_PCI is not set
+# CONFIG_CMD_SATA is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
@@ -35,26 +32,18 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_FLASH=y
-CONFIG_FSL_ESDHC=y
+# CONFIG_SATA_SIL is not set
+# CONFIG_MMC is not set
 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_PCI is not set
 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