labs: yocto-advanced-configuration-stm32: update the lab2 for Dunfell…

… and DK2

Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>

labs/yocto-advanced-configuration-stm32/yocto-advanced-configuration-stm32.tex

@@ -17,17 +17,22 @@ \section{Set up the Ethernet communication and NFS on the board}
 using NFS.
 
 First we need to set the kernel boot arguments U-Boot will pass to the
-Linux kernel at boot time. For that, edit the
-\code{mmc0_stm32mp157a-dk1_extlinux/extlinux.conf} file in the bootfs partition of the SD
-card and change the \code{APPEND} line for the
-\code{stm32mp157a-dk1-sdcard} configuration:
+Linux kernel at boot time. For that, edit the extlinux configuration file, in
+the bootfs partition of the SD card and change the \code{APPEND} line to:
 
 {\small
 \begin{verbatim}
 APPEND root=/dev/nfs rw console=ttySTM0,115200 nfsroot=192.168.0.1:/nfs,vers=3,tcp ip=192.168.0.100:::::eth0
 \end{verbatim}
 }
 
+\begin{itemize}
+  \item For the \code{stm32mp157a-dk1-sdcard}, edit the
+        \code{mmc0_extlinux/extlinux.conf} file
+  \item For the \code{stm32mp157c-dk2-sdcard}, edit the
+        \code{mmc0_extlinux/stm32mp157c-dk2_extlinux.conf} file
+\end{itemize}
+
 \section{Set up the Ethernet communication on the workstation}
 
 With a network cable, connect the Ethernet port of your board to the