对接了rthw.h的接口，修复了不能编译的问题 (#6722)

libcpu/risc-v/ch32v3/cpuport.c

@@ -172,7 +172,7 @@ void rt_hw_interrupt_enable(rt_base_t level)
  * void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to);
  * #endif
  */
-void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to)
+void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to, rt_thread_t from_thread, rt_thread_t to_thread)
 {
     if (rt_thread_switch_interrupt_flag == 0)
         rt_interrupt_from_thread = from;