clean up

Author: jmartinez-silabs

examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.cpp

@@ -78,7 +78,7 @@ extern "C" {
 #include "sl_si91x_trng.h"
 #define TRNGKEY_SIZE 4
 #endif // SLI_SI91X_MCU_INTERFACE
-} // extern "C" {
+}
 
 WfxRsi_t wfx_rsi;
 

third_party/silabs/BUILD.gn

@@ -197,7 +197,7 @@ if (wifi_soc != true) {  # CCP board
       if (!chip_openthread_ftd) {
         XTD = "mtd"
       } else {
-        # additional files needs for ftd lib
+        # additional files needed for ftd lib
         sources += [
           "${openthread_root}/examples/platforms/utils/link_metrics.cpp",
           "${openthread_root}/examples/platforms/utils/link_metrics.h",