[app][inetsrv] add tftp server.

lib/tftp/include/lib/tftp.h

Index: lib/tftp/include/lib/tftp.h
diff --git a/platform/bcm2835/include/platform/gic.h b/lib/tftp/include/lib/tftp.h
similarity index 81%
copy from platform/bcm2835/include/platform/gic.h
copy to lib/tftp/include/lib/tftp.h
index d1e7c8ca718c3b5c35a9cc45a869de8941f013b8..0661e00d16d689a1267adef7e5ac7b2b30bad789 100644
--- a/platform/bcm2835/include/platform/gic.h
+++ b/lib/tftp/include/lib/tftp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Travis Geiselbrecht
+ * Copyright (c) 2015 Carlos Pizano-Uribe <cpu@chromium.org>
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files
@@ -20,12 +20,12 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
+
 #pragma once
 
-#include <platform/bcm2835.h>
+typedef int (*tftp_callback_t)(void *data, size_t len, void *arg);
 
-#define GICBASE(n)  (CPUPRIV_BASE_PHYS)
-#define GICC_OFFSET (0x0100)
-#define GICD_OFFSET (0x1000)
+int tftp_server_init(void *arg);
 
+int tftp_set_write_client(const char* file_name, tftp_callback_t cb, void* arg);