configs: sandbox: enable LOG_SYSLOG

For testing purposes enable the syslog logging driver.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index 8ca17d6..0d4cf74 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -18,6 +18,7 @@
 CONFIG_SILENT_CONSOLE=y
 CONFIG_PRE_CONSOLE_BUFFER=y
 CONFIG_LOG_MAX_LEVEL=6
+CONFIG_LOG_SYSLOG=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y