[bsp] [gd32vf103] explicit call clock init

bsp/gd32vf103v-eval/board/board.c

@@ -48,6 +48,8 @@ void *__wrap_memset(void *s, int c, size_t n)
 }
 
 void rt_hw_board_init(void) {
+extern void riscv_clock_init(void);
+    riscv_clock_init();
     systick_config(TMR_FREQ / RT_TICK_PER_SECOND);
 
 #ifdef RT_USING_HEAP

bsp/gd32vf103v-eval/libraries/n22/env_Eclipse/init.c

@@ -7,6 +7,13 @@
 #include "n22_func.h"
 
 void _init() {
+
+}
+
+void _fini() {
+}
+
+void riscv_clock_init(void) {
     SystemInit();
 
     //ECLIC init
@@ -14,15 +21,4 @@ void _init() {
     eclic_mode_enable();
     set_csr(mstatus, MSTATUS_MIE);
 
-    //printf("After ECLIC mode enabled, the mtvec value is %x \n\n\r", read_csr(mtvec));
-
-    // // It must be NOTED:
-    //  //    * In the RISC-V arch, if user mode and PMP supported, then by default if PMP is not configured
-    //  //      with valid entries, then user mode cannot access any memory, and cannot execute any instructions.
-    //  //    * So if switch to user-mode and still want to continue, then you must configure PMP first
-    //pmp_open_all_space();
-    //switch_m2u_mode();
-}
-
-void _fini() {
 }