PCI: hv: Fix a comment typo in _hv_pcifront_read_config()

Comment in _hv_pcifront_read_config() contains a typo, fix it.

No functional change.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
[lorenzo.pieralisi@arm.com: changed commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index cb694d2..0d2a098 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -656,7 +656,7 @@
 			break;
 		}
 		/*
-		 * Make sure the write was done before we release the spinlock
+		 * Make sure the read was done before we release the spinlock
 		 * allowing consecutive reads/writes.
 		 */
 		mb();