[PATCH] spelling.txt: Add "unnecessary" typo variants

[Joe Perches]

Add unnecessary typos by copying the necessary typos.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 scripts/spelling.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 400ef35169c5..e16d8f8e8bea 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -1155,6 +1155,10 @@ unknonw||unknown
 unknow||unknown
 unkown||unknown
 unneded||unneeded
+unneccecary||unnecessary
+unneccesary||unnecessary
+unneccessary||unnecessary
+unnecesary||unnecessary
 unneedingly||unnecessarily
 unnsupported||unsupported
 unmached||unmatched