[PATCH] docs: conf.py: fix the 'utf-8' typo

"encoding" should be 'utf-8'. Fix the typo.

Fixes: 7ea9a550f710 ("docs: conf.py: several coding style fixes")
Signed-off-by: Randy Dunlap <[email protected]>
---
Cc: Jonathan Corbet <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>

 Documentation/conf.py |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20260805.orig/Documentation/conf.py
+++ linux-next-20260805/Documentation/conf.py
@@ -287,7 +287,7 @@ author = "The kernel development communi
 try:
     makefile_version = None
     makefile_patchlevel = None
-    with open("../Makefile", encoding="utf=8") as fp:
+    with open("../Makefile", encoding="utf-8") as fp:
         for line in fp:
             key, val = [x.strip() for x in line.split("=", 2)]
             if key == "VERSION":