Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 9f85012..d793001 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1705,7 +1705,7 @@
 
 	$param = xml_escape($param);
 
-	# strip spaces from $param so that it is one continous string
+	# strip spaces from $param so that it is one continuous string
 	# on @parameterlist;
 	# this fixes a problem where check_sections() cannot find
 	# a parameter like "addr[6 + 2]" because it actually appears