Create a header file for PSA crypto random generator abstraction

Subsequent commits will move declarations and definitions there.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index 0af4145..1d28df0 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -251,6 +251,7 @@
     <ClInclude Include="..\..\library\psa_crypto_driver_wrappers.h" />

     <ClInclude Include="..\..\library\psa_crypto_invasive.h" />

     <ClInclude Include="..\..\library\psa_crypto_its.h" />

+    <ClInclude Include="..\..\library\psa_crypto_random.h" />

     <ClInclude Include="..\..\library\psa_crypto_se.h" />

     <ClInclude Include="..\..\library\psa_crypto_service_integration.h" />

     <ClInclude Include="..\..\library\psa_crypto_slot_management.h" />