dt-bindings: add header for generic I2C flags in bindings

Tested-by: Andrey Danin <[e-mail]>
Acked-by: Stephen Warren <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>

include/dt-bindings/i2c/i2c.h

···
+/*
+ * This header provides constants for I2C bindings
+ *
+ * Copyright (C) 2015 by Sang Engineering
+ * Copyright (C) 2015 by Renesas Electronics Corporation
+ *
+ * Wolfram Sang <[e-mail]>
+ *
+ * GPLv2 only
+ */
+
+#ifndef _DT_BINDINGS_I2C_I2C_H
+#define _DT_BINDINGS_I2C_I2C_H
+
+#define I2C_TEN_BIT_ADDRESS	(1 << 31)
+#define I2C_OWN_SLAVE_ADDRESS	(1 << 30)
+
+#endif