use bigger tmpfs

target/config/Config.in.runtime

@@ -34,6 +34,7 @@ config ADK_RUNTIME_TMPFS_SIZE
 	default "16384" if ADK_TARGET_SYSTEM_LEMOTE_YEELONG
 	default "32768" if ADK_TARGET_SYSTEM_IBM_X40
 	default "32768" if ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default "32768" if ADK_TARGET_SYSTEM_CUBOX_I
 	default "2048"
 	help
 	  Size of /tmp in memory in Kilobyte.