CPUUsage: support display value per core

src/modules/cpuusage/option.h

@@ -4,8 +4,15 @@
 
 #include "common/option.h"
 
+typedef enum FFCPUUsageDisplayType {
+    FF_CPUUSAGE_DISPLAY_TYPE_DEFAULT,
+    FF_CPUUSAGE_DISPLAY_TYPE_SEPARATE,
+} FFCPUUsageDisplayType;
+
 typedef struct FFCPUUsageOptions
 {
     FFModuleBaseInfo moduleInfo;
     FFModuleArgs moduleArgs;
+
+    FFCPUUsageDisplayType displayType;
 } FFCPUUsageOptions;