hal: renesas: rx: remove static definition in r_riic module

Remote static definition for riic_bps_calc function to reuse
in the Zephyr side, avoid the duplicate definition

Signed-off-by: Quy Tran <[email protected]>

Author: quytranpzz

drivers/rx/README

@@ -52,3 +52,8 @@ Patch List:
    Impacted files:
       drivers/rx/rdp/src/r_rspi_rx/src/r_rspi_rx.c
       drivers/rx/rdp/src/r_rspi_rx/src/r_rspi_rx_private.h
+
+   * Remove the static definition in RIIC driver
+   Impacted files:
+      drivers/rx/rdp/src/r_riic_rx/src/r_riic_rx.c
+      drivers/rx/rdp/src/r_riic_rx/r_riic_rx_if.h

drivers/rx/rdp/src/r_riic_rx/r_riic_rx_if.h

@@ -268,6 +268,7 @@ riic_return_t R_RIIC_Close (riic_info_t *);
  *****************************************************************************/
 uint32_t      R_RIIC_GetVersion (void);
 
+riic_return_t riic_bps_calc (riic_info_t *, uint16_t kbps);
 R_BSP_PRAGMA_PACKOPTION
 #endif /* RIIC_IF_H */
 

drivers/rx/rdp/src/r_riic_rx/src/r_riic_rx.c

@@ -162,7 +162,7 @@ static void riic_reset_set (riic_info_t *);
 static void riic_all_reset (riic_info_t *);
 static void riic_clear_ir_flag (riic_info_t *);
 
-static riic_return_t riic_bps_calc (riic_info_t *, uint16_t kbps);
+riic_return_t riic_bps_calc (riic_info_t *, uint16_t kbps);
 
 /* static double riic_check_freq(void); */
 
@@ -3784,7 +3784,7 @@ static void riic_clear_ir_flag(riic_info_t * p_riic_info)
  * Return Value : RIIC_SUCCESS                   ; Successful operation, communication state
  *              : RIIC_ERR_OTHER                 ; Other error
  **********************************************************************************************************************/
-static riic_return_t riic_bps_calc(riic_info_t * p_riic_info, uint16_t kbps)
+riic_return_t riic_bps_calc(riic_info_t * p_riic_info, uint16_t kbps)
 {
     volatile uint8_t uctmp;