Adding firmata validation project

Signed-off-by: Thibaut VIARD <thibaut.viard@atmel.com>

cores/validation/validation_firmata/build_as6/test.atsln

+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Atmel Studio Solution File, Format Version 11.00
+Project("{E66E83B9-2572-4076-B26E-6BE79FF3018A}") = "test", "test.cppproj", "{B3F859AD-E162-4C2F-9684-EAC6932FEC80}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Release|ARM = Release|ARM
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Debug|ARM.ActiveCfg = Debug|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Debug|ARM.Build.0 = Debug|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Release|ARM.ActiveCfg = Release|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Release|ARM.Build.0 = Release|ARM
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal