CMake (Windows): introduces a flag to remove Win7 compat mode

src/detection/cpuusage/cpuusage_windows.c

@@ -155,7 +155,7 @@ static const char* getInfoByPerflib(FFlist* cpuTimes)
 
 const char* ffGetCpuUsageInfo(FFlist* cpuTimes)
 {
-    #if __aarch64__
+    #if !FF_WIN7_COMPAT
     static uint8_t winver = 10; // Assume Windows 10 or later for WoA
     #else
     static uint8_t winver = 0;