[Silabs] Updates wiseconnect version to 2.8.2

examples/platform/silabs/efr32/rs911x/hal/rsi_hal_mcu_timer.c

@@ -138,6 +138,21 @@ int32_t rsi_timer_start(uint8_t timer_node, uint8_t mode, uint8_t type, uint32_t
 
     return RSI_ERROR_NONE;
 }
+/*==============================================*/
+/**
+ * @fn          uint32_t rsi_ms_to_tick(uint32_t timeout_ms)
+ * @brief       Converting ms to os ticks
+ * @param[in]   timeout_ms - timeout in ms
+ * @return      uint32_t
+ */
+uint32_t rsi_ms_to_tick(uint32_t timeout_ms)
+{
+    uint32_t ticks_cnt = 0, ticks_val = 0, ticks = 0;
+    ticks_cnt = SysTick->LOAD + 1UL;
+    ticks_val = SystemCoreClock / ticks_cnt;
+    ticks     = ticks_val / 1000;
+    return (timeout_ms * ticks);
+}
 #else /* _use_the_rsi_defined_functions */
 
 /* Counts 1ms timeTicks */