Correct iommu word in the dict file

Signed-off-by: Marikkannu, Suresh <[email protected]>

Author: sureshmarikkannu

dict.txt

@@ -169,7 +169,6 @@ https
 hugepage
 hugepages
 hugepagesz
-iommu
 iOS
 iPXE
 iPhones
@@ -178,6 +177,7 @@ imei
 incrementing
 inotify
 instantiation
+iommu
 ip
 isn't
 iteratively