Fix branding in the issue

Change-Id: I7a43933aa7ec69a9050cb3da0d9304d07155d2be
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index f476677..3ceba2a 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -11,6 +11,7 @@
 BR2_TOOLCHAIN_EXTERNAL_LINARO_ARM=y
 BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY=y
 BR2_TARGET_GENERIC_HOSTNAME="czechlight"
+BR2_TARGET_GENERIC_ISSUE="Welcome to Czech Light"
 BR2_TARGET_GENERIC_PASSWD_SHA256=y
 BR2_INIT_SYSTEMD=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"