snagrecover: am335x_usb_setup.sh: Use bash for the recovery shell

Currently, the recovery shell is sh. However, on some Ubuntu systems, sh
links to dash, which doesn't make for the greatest user experience.

Change sh to bash for the recovery shell.

Signed-off-by: Romain Gantois <romain.gantois@bootlin.com>

src/snagrecover/am335x_usb_setup.sh

@@ -194,7 +194,7 @@ echo "===== $NETNS_NAME ====="
 echo "You can now setup the board and run the recovery tool."
 echo "Please type 'exit' to delete the namespace, stop the polling process and leave the shell when you are done."
 
-echo "cd $(pwd); exec </dev/tty" | SUDO_PS1='(am335_recovery) \u@\h:\w \$' ip netns exec "$NETNS_NAME" sudo -i -u "$SUDOER" sh -i
+echo "cd $(pwd); exec </dev/tty" | SUDO_PS1='(am335_recovery) \u@\h:\w \$' ip netns exec "$NETNS_NAME" sudo -i -u "$SUDOER" bash -i
 
 #leave shell and cleanup
 cleanup