DM: SPI: Convert display5 to use SPI with DM/DTS (but no in SPL)

The DM/DTS support for SPI is disabled on purpose for SPL, as it is not
supported as of time of this conversion.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
diff --git a/configs/display5_defconfig b/configs/display5_defconfig
index b1267b1..875ccce 100644
--- a/configs/display5_defconfig
+++ b/configs/display5_defconfig
@@ -85,12 +85,15 @@
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_FSL_USDHC=y
 CONFIG_MTD_DEVICE=y
+CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SF_DEFAULT_BUS=1
 CONFIG_SF_DEFAULT_MODE=0
 CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_MTD=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_MARVELL=y
 CONFIG_FEC_MXC=y