coding-style: fix title of Greg K-H's talk

The talk title was inadvertently mangled in 8c27ceff

 ("docs: fix
locations of several documents that got moved").

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Link: https://lore.kernel.org/r/20230322215311.6579-1-jwilk@jwilk.net


Signed-off-by: Jonathan Corbet <corbet@lwn.net>