Add new property for dev codename, update version to Donut.
diff --git a/core/Makefile b/core/Makefile
index 3f08f0e..fa0550c 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -126,6 +126,7 @@
 			BUILD_NUMBER="$(BUILD_NUMBER)" \
 			PLATFORM_VERSION="$(PLATFORM_VERSION)" \
 			PLATFORM_SDK_VERSION="$(PLATFORM_SDK_VERSION)" \
+			PLATFORM_VERSION_CODENAME="$(PLATFORM_VERSION_CODENAME)" \
 			BUILD_VERSION_TAGS="$(BUILD_VERSION_TAGS)" \
 			TARGET_BOOTLOADER_BOARD_NAME="$(TARGET_BOOTLOADER_BOARD_NAME)" \
 			BUILD_FINGERPRINT="$(BUILD_FINGERPRINT)" \