ARM: socfpga: add PCIe to socfpga_defconfig

Enable Altera PCIe host driver, Altera MSI driver and PCIe devices.

CONFIG_PCI=y
CONFIG_PCI_MSI=y
CONFIG_PCIE_ALTERA=y
CONFIG_PCIE_ALTERA_MSI=y
CONFIG_BLK_DEV_NVME=m
CONFIG_E1000E=m
CONFIG_IGB=m
CONFIG_IXGBE=m

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Tien Hock Loh <thloh@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>