fix various typos and wrong commands in slides

Fixes for:
- missing variable definition in Makefile
- wrong serial device in kernel parameters
- missing trace-cmd subcmd and wrong parameter (sched_switch is an
  event, not a plugin)
- missing #include in example code
- fix copy&paste leftover

Signed-off-by: Holger Dengler <dengler@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel-devel/kernel-debugging/pres_kernel-debugging_en.tex b/kernel-devel/kernel-debugging/pres_kernel-debugging_en.tex
index 104d8c4..2a015a7 100644
--- a/kernel-devel/kernel-debugging/pres_kernel-debugging_en.tex
+++ b/kernel-devel/kernel-debugging/pres_kernel-debugging_en.tex
@@ -181,7 +181,7 @@ console=ttyS0,115200
 console=ttyS0,115200n8
 \end{verbatim}
 \begin{verbatim}
-console=ttyAM0,115200
+console=ttyAMA0,115200
 \end{verbatim}
 \end{frame}