kernel: slides: fix dead link

Signed-off-by: Alexis Lothoré <[email protected]>

Author: Tropicao

slides/kernel-hw-devices/kernel-hw-devices.tex

@@ -487,7 +487,7 @@ \subsection{Describing non-discoverable hardware}
     \begin{itemize}
     \item Their meaning is either described in the
       \href{https://github.com/devicetree-org/dt-schema}{dt-schema}
-      GitHub repository or under \kfile{Documentation/device-tree/bindings}.
+      GitHub repository or under \kfile{Documentation/devicetree/bindings}.
     \item \code{clocks}, \code{interrupts}, \code{regulators}, etc
     \end{itemize}
   \item Subsystem specific