TestU01: upgrade to 17.05 release

- Correct spelling of 'Alphabet' test to 'Alphabit'
- Remove config library dependency

Ref #74

src/lib/testu01/genode_gdef.cc

@@ -1,22 +1,13 @@
-#include <os/config.h>
-
 extern "C" {
 
 #include <stdio.h>
+#include <string.h>
 
 void gdef_GetHostName (char machine[], int n)
 {
-	try { Genode::config()->xml_node().attribute("hostname").value(machine, n); }
-	catch (...) { Genode::strncpy(machine, "genode", n); }
+	strncpy(machine, "genode", n);
 }
 
-void gdef_WriteHostName (void)
-{
-	enum { MAXBYTES = 255 };
-
-	char machine[1 + MAXBYTES] = {'\0'};
-	gdef_GetHostName(machine, MAXBYTES);
-	printf("%s\n", machine);
-}
+void gdef_WriteHostName (void) { }
 
 }

src/test/testu01_alphabit/main.cc

@@ -6,7 +6,7 @@ extern "C" {
 #include "bbattery.h"
 }
 
-void Libc::Component::construct(Genode::Env &env)
+void Libc::Component::construct(Libc::Env &env)
 {
 	using namespace Genode;
 

src/test/testu01_rabbit/main.cc

@@ -12,7 +12,7 @@ extern "C" {
 Genode::size_t Libc::Component::stack_size() { return 64*1024*sizeof(Genode::addr_t); }
 
 
-void Libc::Component::construct(Genode::Env &env)
+void Libc::Component::construct(Libc::Env &env)
 {
 	using namespace Genode;