CMake: support "make programs"

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/psa/CMakeLists.txt b/programs/psa/CMakeLists.txt
index a8e4b0e..a6933a6 100644
--- a/programs/psa/CMakeLists.txt
+++ b/programs/psa/CMakeLists.txt
@@ -6,6 +6,7 @@
     psa_constant_names
     psa_hash
 )
+add_dependencies(${programs_target} ${executables})
 
 if(GEN_FILES)
     add_custom_command(