Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 7da3bef..505c1c7 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2265,7 +2265,7 @@
 		/*
 		 * TBD:
 		 * we could share the same root & context tables
-		 * amoung all IOMMU's. Need to Split it later.
+		 * among all IOMMU's. Need to Split it later.
 		 */
 		ret = iommu_alloc_root_entry(iommu);
 		if (ret) {