gd32f4xx: timer: Rename timer_init function

Zephyr define timer_init function which conflict with GigaDevice
timer driver API. This rename timer_init method to __timer_init
to solve the conflict.

Signed-off-by: HaiLong Yang <[email protected]>

Author: cameled

GD32F4XX/standard_peripheral/Include/gd32f4xx_timer.h

@@ -624,7 +624,7 @@ void timer_deinit(uint32_t timer_periph);
 /* initialize TIMER init parameter struct */
 void timer_struct_para_init(timer_parameter_struct* initpara);
 /* initialize TIMER counter */
-void timer_init(uint32_t timer_periph, timer_parameter_struct* initpara);
+void __timer_init(uint32_t timer_periph, timer_parameter_struct* initpara);
 /* enable a TIMER */
 void timer_enable(uint32_t timer_periph);
 /* disable a TIMER */

GD32F4XX/standard_peripheral/Source/gd32f4xx_timer.c

@@ -151,7 +151,7 @@ void timer_struct_para_init(timer_parameter_struct* initpara)
     \param[out] none
     \retval     none
 */
-void timer_init(uint32_t timer_periph, timer_parameter_struct* initpara)
+void __timer_init(uint32_t timer_periph, timer_parameter_struct* initpara)
 {
     /* configure the counter prescaler value */
     TIMER_PSC(timer_periph) = (uint16_t)initpara->prescaler;