[bsp][Renesas]add definitions to prevent compilation errors (#7608)

bsp/renesas/ra6m3-hmi-board/board/ra6m3_it.c

@@ -1,10 +1,13 @@
 #include <rtthread.h>
 #include "hal_data.h"
 
+#ifdef BSP_USING_CAN
 rt_weak void can0_callback(can_callback_args_t *p_args)
 {
 }
+#endif
 
+#ifdef BSP_USING_SCI_SPI
 rt_weak void sci_spi3_callback(spi_callback_args_t *p_args)
 {
 }
@@ -20,23 +23,28 @@ rt_weak void sci_spi6_callback(spi_callback_args_t *p_args)
 rt_weak void sci_spi7_callback(spi_callback_args_t *p_args)
 {
 }
+#endif
 
-rt_weak void cb_timer2(timer_callback_args_t *p_args)
-{
-}
-
+#ifdef BSP_USING_ETH
 rt_weak void user_ether0_callback(ether_callback_args_t *p_args)
 {
 }
+#endif
 
+#ifdef BSP_USING_I2S
 rt_weak void i2s_callback(i2s_callback_args_t *p_args)
 {
 }
+#endif
 
+#ifdef BSP_USING_JPEG
 rt_weak void decode_callback(jpeg_callback_args_t *p_args)
 {
 }
+#endif
 
+#ifdef BSP_USING_LCD
 rt_weak void _ra_port_display_callback(display_callback_args_t *p_args)
 {
 }
+#endif