Add can_init_frequency to RENESAS targets

hz is not used in can_init functions

Author: adustm

targets/TARGET_RENESAS/TARGET_RZ_A1H/can_api.c

@@ -539,7 +539,7 @@ static void can4_bus_err_irq(void) {
     can_err_irq(CAN_4, IRQ_BUS);
 }
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     __IO uint32_t *dmy_ctr;
 
     /* determine the CAN to use */
@@ -575,6 +575,10 @@ void can_init(can_t *obj, PinName rd, PinName td) {
     pinmap_pinout(td, PinMap_CAN_TD);
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 0);
+}
+
 void can_free(can_t *obj) {
     /* disable CAN clock */
     CPGSTBCR3 |= CPG_STBCR3_BIT_MSTP32;

targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/can_api.c

@@ -556,7 +556,7 @@ static void can4_bus_err_irq(void) {
     can_err_irq(CAN_4, IRQ_BUS);
 }
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     __IO uint32_t *dmy_ctr;
 
     /* determine the CAN to use */
@@ -592,6 +592,10 @@ void can_init(can_t *obj, PinName rd, PinName td) {
     pinmap_pinout(td, PinMap_CAN_TD);
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 0);
+}
+
 void can_free(can_t *obj) {
     /* disable CAN clock */
     CPGSTBCR3 |= CPG_STBCR3_BIT_MSTP32;