Add ZEN support (tested for auto-detected static backend)

cmake/arch.cmake

@@ -73,7 +73,7 @@ if (DYNAMIC_ARCH)
       set(DYNAMIC_CORE "${DYNAMIC_CORE} SANDYBRIDGE BULLDOZER PILEDRIVER STEAMROLLER")
     endif ()
     if (NOT NO_AVX2)
-      set(DYNAMIC_CORE "${DYNAMIC_CORE} HASWELL")
+      set(DYNAMIC_CORE "${DYNAMIC_CORE} HASWELL ZEN")
     endif ()
   endif ()
 

cmake/system.cmake

@@ -22,7 +22,7 @@ if (DEFINED BINARY AND DEFINED TARGET AND BINARY EQUAL 32)
   if (${TARGET} STREQUAL "HASWELL" OR ${TARGET} STREQUAL "SANDYBRIDGE")
     set(TARGET "NEHALEM")
   endif ()
-  if (${TARGET} STREQUAL "BULLDOZER" OR ${TARGET} STREQUAL "PILEDRIVER")
+  if (${TARGET} STREQUAL "BULLDOZER" OR ${TARGET} STREQUAL "PILEDRIVER" OR ${TARGET} STREQUAL "ZEN")
     set(TARGET "BARCELONA")
   endif ()
 endif ()