added option to set CPSR register to arm_interface

src/core/arm/interpreter/arm_interpreter.h

@@ -48,6 +48,12 @@ public:
      */
     u32 GetCPSR() const;
 
+    /**
+     * Set the current CPSR register
+     * @param cpsr Value to set CPSR to
+     */
+    void SetCPSR(u32 cpsr);
+
     /**
      * Returns the number of clock ticks since the last reset
      * @return Returns number of clock ticks