avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/include/ds1722.h

@@ -0,0 +1,16 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _DS1722_H_
+#define _DS1722_H_
+
+#define DS1722_RESOLUTION_8BIT	0x0
+#define DS1722_RESOLUTION_9BIT	0x1
+#define DS1722_RESOLUTION_10BIT	0x2
+#define DS1722_RESOLUTION_11BIT	0x3
+#define DS1722_RESOLUTION_12BIT	0x4
+
+int ds1722_probe(int dev);
+
+#endif /* _DS1722_H_ */