[SL-UP] Added #ifdef for RTE_UULP_GPIO_1_PIN macro for wifi sdk v3.5.2-fc integration failure (#528)

Author: silabs-ArghyaD

src/platform/silabs/SiWx917/SiWxPlatformInterface.h

@@ -21,7 +21,9 @@
 
 namespace {
 #if ENABLE_CHIP_SHELL && CHIP_CONFIG_ENABLE_ICD_SERVER
+#ifdef RTE_UULP_GPIO_1_PIN
 bool ps_requirement_added = false;
+#endif // RTE_UULP_GPIO_1_PIN
 #endif // ENABLE_CHIP_SHELL && CHIP_CONFIG_ENABLE_ICD_SERVER
 } // namespace
 
@@ -93,6 +95,7 @@ inline void sl_si91x_btn_event_handler()
 void sl_si91x_uart_power_requirement_handler()
 {
 #ifdef ENABLE_CHIP_SHELL
+#ifdef RTE_UULP_GPIO_1_PIN
     // Checking the UULP PIN 1 status to reinit the UART and not allow the device to go to sleep
     if (sl_si91x_gpio_get_uulp_npss_pin(RTE_UULP_GPIO_1_PIN))
     {
@@ -110,6 +113,7 @@ void sl_si91x_uart_power_requirement_handler()
             ps_requirement_added = false;
         }
     }
+#endif // RTE_UULP_GPIO_1_PIN
 #endif // ENABLE_CHIP_SHELL
 }
 

src/platform/silabs/wifi/SiWx/WifiInterface.cpp

@@ -224,6 +224,7 @@ sl_status_t sl_wifi_siwx917_init(void)
 
 #if CHIP_CONFIG_ENABLE_ICD_SERVER
 #ifdef ENABLE_CHIP_SHELL
+#ifdef RTE_UULP_GPIO_1_PIN
     // While using the matter shell with a Low Power Build, GPIO 1 is used to check the UULP PIN 1 status
     // since UART doesn't act as a wakeup source in the UULP mode.
 
@@ -235,6 +236,7 @@ sl_status_t sl_wifi_siwx917_init(void)
 
     // Enable the REN
     RSI_NPSSGPIO_InputBufferEn(RTE_UULP_GPIO_1_PIN, 1);
+#endif // RTE_UULP_GPIO_1_PIN
 #endif // ENABLE_CHIP_SHELL
 #endif // CHIP_CONFIG_ENABLE_ICD_SERVER
 #endif // SLI_SI91X_MCU_INTERFACE