PCI: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 5183a45..e8aa138 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -597,7 +597,7 @@
 	cleanup_slots(ctrl);
 
 	/*
-	 * Mask SERR and System Interrut generation
+	 * Mask SERR and System Interrupt generation
 	 */
 	serr_int = shpc_readl(ctrl, SERR_INTR_ENABLE);
 	serr_int |= (GLOBAL_INTR_MASK  | GLOBAL_SERR_MASK |