Enable watchdog when running within QEMU, too

Change-Id: Ifddaea0c0a8464a78d88611a3748f3cbde2bc268
diff --git a/board/czechlight/epia_geode/kconfig b/board/czechlight/epia_geode/kconfig
index c6b36c3..cbdfc0a 100644
--- a/board/czechlight/epia_geode/kconfig
+++ b/board/czechlight/epia_geode/kconfig
@@ -12,3 +12,6 @@
 CONFIG_MFD_CS5535=y
 CONFIG_CS5535_MFGPT=y
 CONFIG_GEODE_WDT=y
+
+# QEMU
+CONFIG_I6300ESB_WDT=y