Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index bade533..30ca85c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -721,7 +721,7 @@
 
 	/*
 	 * guests can ask for up to 255+1 double words, we need a full page
-	 * to hold the maximum amount of facilites. On the other hand, we
+	 * to hold the maximum amount of facilities. On the other hand, we
 	 * only set facilities that are known to work in KVM.
 	 */
 	facilities = (unsigned long long *) get_zeroed_page(GFP_KERNEL|GFP_DMA);