micropython: add micropython component

components/language/micropython/port/unistd.h

@@ -0,0 +1,15 @@
+#ifndef MICROPY_INCLUDED_TENCENTOS_UNISTD_H
+#define MICROPY_INCLUDED_TENCENTOS_UNISTD_H
+
+// keil compiler doesn't seem to have unistd.h file
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+typedef int ssize_t;
+
+// #define STDIN_FILENO  0
+// #define STDOUT_FILENO 1
+// #define STDERR_FILENO 2
+
+#endif // MICROPY_INCLUDED_TENCENTOS_UNISTD_H