common: code re-org

Move common files under a common/ directory.

Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Change-Id: I0eaf91d4ee94c1e78228da0c50892f82e91912fa
diff --git a/test/libpldmresponder_bios_config_test.cpp b/test/libpldmresponder_bios_config_test.cpp
index 371658c..e0025fd 100644
--- a/test/libpldmresponder_bios_config_test.cpp
+++ b/test/libpldmresponder_bios_config_test.cpp
@@ -1,4 +1,4 @@
-#include "bios_utils.hpp"
+#include "common/bios_utils.hpp"
 #include "libpldmresponder/bios_config.hpp"
 #include "libpldmresponder/bios_string_attribute.hpp"
 #include "mocked_bios.hpp"