hw: enable Genode::raw for bootstrap

Ref #3531

repos/base-hw/lib/mk/bootstrap-hw.inc

@@ -17,6 +17,7 @@ SRC_CC  += lib/base/heap.cc
 SRC_CC  += lib/base/registry.cc
 SRC_CC  += lib/base/log.cc
 SRC_CC  += lib/base/output.cc
+SRC_CC  += lib/base/raw_output.cc
 SRC_CC  += lib/base/slab.cc
 SRC_CC  += lib/base/sleep.cc
 SRC_CC  += lib/base/sliced_heap.cc

repos/base-hw/src/bootstrap/log.cc

@@ -19,6 +19,7 @@
 /* base-internal includes */
 #include <base/internal/globals.h>
 #include <base/internal/output.h>
+#include <base/internal/raw_write_string.h>
 #include <base/internal/unmanaged_singleton.h>
 
 #include <board.h>
@@ -57,3 +58,5 @@ struct Buffer
 Genode::Log &Genode::Log::log() {
 	return unmanaged_singleton<Buffer>()->log; }
 
+
+void Genode::raw_write_string(char const *str) { log(str); }