arm64: mvebu: Enable PCIe support in Armada-7040 configuration

Enable PCIe bus support in Armada-7040 DB default configuration

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Neta Zur Hershkovits <neta@marvell.com>
Cc: Omri Itach <omrii@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>

configs/mvebu_db-88f7040_defconfig

@@ -37,6 +37,9 @@ CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_PCIE_DW_MVEBU=y
 CONFIG_MVEBU_COMPHY_SUPPORT=y
 # CONFIG_SPL_SERIAL_PRESENT is not set
 CONFIG_DEBUG_UART=y