target/riscv: fix ACPI MCFG table

MCFG segments should point to PCI configuration range, not BAR MMIO.

Signed-off-by: Ilya Chugin <danger_mail@list.ru>
Fixes: 55ecd83 ("hw/riscv/virt-acpi-build.c: Add IO controllers and devices")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Message-ID: <180d236d-c8e4-411a-b4d2-632eb82092fa@list.ru>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw/riscv/virt-acpi-build.c

@@ -647,8 +647,8 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables)
     acpi_add_table(table_offsets, tables_blob);
     {
         AcpiMcfgInfo mcfg = {
-           .base = s->memmap[VIRT_PCIE_MMIO].base,
-           .size = s->memmap[VIRT_PCIE_MMIO].size,
+           .base = s->memmap[VIRT_PCIE_ECAM].base,
+           .size = s->memmap[VIRT_PCIE_ECAM].size,
         };
         build_mcfg(tables_blob, tables->linker, &mcfg, s->oem_id,
                    s->oem_table_id);