altera pcie: add sdb record for MSI slave interface

platform/altera/wb_pcie/pcie_wb_pkg.vhd

@@ -4,6 +4,23 @@ use ieee.numeric_std.all;
 use work.wishbone_pkg.all;
 
 package pcie_wb_pkg is
+
+  constant c_msi_pcie_sdb : t_sdb_device := (
+    abi_class     => x"0000", -- undocumented device
+    abi_ver_major => x"01",
+    abi_ver_minor => x"01",
+    wbd_endian    => c_sdb_endian_big,
+    wbd_width     => x"7", -- 8/16/32-bit port granularity
+    sdb_component => (
+    addr_first    => x"0000000000000000",
+    addr_last     => x"000000000000ffff",
+    product => (
+    vendor_id     => x"0000000000000651", -- GSI
+    device_id     => x"8a670e73",
+    version       => x"00000001",
+    date          => x"20131213",
+    name          => "Altera-PCIe-MSI-Tgt")));
+
   component pcie_wb is
     generic(
       g_family : string := "Arria II";