PCI/ACPI: Increase Loongson max PCI hosts to 8

Beginning with Loongson-3C6000, there can be up to 8 PCI hosts for
multi-chip machines. To support these machines, increase the number of
entries in mcfg_quirks to 8.

Link: https://lore.kernel.org/r/20240726092911.2042656-1-chenhuacai@loongson.cnSigned-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/acpi/pci_mcfg.c

@@ -181,6 +181,18 @@ static struct mcfg_fixup mcfg_quirks[] = {
 	LOONGSON_ECAM_MCFG("LOONGSON", 0),
 	LOONGSON_ECAM_MCFG("\0", 1),
 	LOONGSON_ECAM_MCFG("LOONGSON", 1),
+	LOONGSON_ECAM_MCFG("\0", 2),
+	LOONGSON_ECAM_MCFG("LOONGSON", 2),
+	LOONGSON_ECAM_MCFG("\0", 3),
+	LOONGSON_ECAM_MCFG("LOONGSON", 3),
+	LOONGSON_ECAM_MCFG("\0", 4),
+	LOONGSON_ECAM_MCFG("LOONGSON", 4),
+	LOONGSON_ECAM_MCFG("\0", 5),
+	LOONGSON_ECAM_MCFG("LOONGSON", 5),
+	LOONGSON_ECAM_MCFG("\0", 6),
+	LOONGSON_ECAM_MCFG("LOONGSON", 6),
+	LOONGSON_ECAM_MCFG("\0", 7),
+	LOONGSON_ECAM_MCFG("LOONGSON", 7),
 #endif /* LOONGARCH */
 };