Enable FPU support for freeRTOS (#33443)

diff --git a/examples/platform/silabs/FreeRTOSConfig.h b/examples/platform/silabs/FreeRTOSConfig.h
index ec926f4..5e257c4 100644
--- a/examples/platform/silabs/FreeRTOSConfig.h
+++ b/examples/platform/silabs/FreeRTOSConfig.h
@@ -197,7 +197,7 @@
 #define configMAX_SYSCALL_INTERRUPT_PRIORITY 48
 #endif // SLI_SI91X_MCU_INTERFACE
 
-#define configENABLE_FPU 0
+#define configENABLE_FPU 1
 #define configENABLE_MPU 0
 /* FreeRTOS Secure Side Only and TrustZone Security Extension */
 #define configRUN_FREERTOS_SECURE_ONLY 1