kernel: pci: pci: accept pcie base class id = 0x0

spr2803 pcie base class id is 0x0; this patch removes the case where it
doesn't allocate resources for such a device.
Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>

patches/linux/0004-pci-accept-pcie-base-class-id-0x0.patch

+From 441f2a5907ae0988d38531faf74deca2cdb312f6 Mon Sep 17 00:00:00 2001
+From: Rabeeh Khoury <rabeeh@solid-run.com>
+Date: Thu, 26 Dec 2019 17:49:36 +0200
+Subject: [PATCH 4/4] pci: accept pcie base class id = 0x0
+
+spr2803 pcie base class id is 0x0; this patch removes the case where it
+doesn't allocate resources for such a device
+
+Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
+---
+ drivers/pci/setup-bus.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
+index 79b1824e83b4..f8a3cbaa55e8 100644
+--- a/drivers/pci/setup-bus.c
++++ b/drivers/pci/setup-bus.c
+@@ -182,7 +182,7 @@ static void __dev_sort_resources(struct pci_dev *dev,
+ 	u16 class = dev->class >> 8;
+ 
+ 	/* Don't touch classless devices or host bridges or ioapics.  */
+-	if (class == PCI_CLASS_NOT_DEFINED || class == PCI_CLASS_BRIDGE_HOST)
++	if (/*class == PCI_CLASS_NOT_DEFINED ||*/ class == PCI_CLASS_BRIDGE_HOST)
+ 		return;
+ 
+ 	/* Don't touch ioapic devices already enabled by firmware */
+-- 
+2.17.1
+