modules: hal_silabs: Add config for SiSDK Protocol Crypto

A Kconfig options for the SiSDK Protocol Crypto library, which provides
accelerated cryptographic primitives using the RADIOAES peripherals for
Series-2 devices.

Signed-off-by: David Boullie <[email protected]>

Author: db00lean

drivers/bluetooth/hci/Kconfig

@@ -158,6 +158,7 @@ config BT_SILABS_EFR32
 	depends on ZEPHYR_HAL_SILABS_MODULE_BLOBS || BUILD_ONLY_NO_BLOBS
 	depends on !PM || SOC_GECKO_PM_BACKEND_PMGR
 	select SOC_GECKO_USE_RAIL
+	select SILABS_SISDK_PROTOCOL_CRYPTO
 	select MBEDTLS
 	select MBEDTLS_PSA_CRYPTO_C
 	select MBEDTLS_ENTROPY_C

modules/hal_silabs/simplicity_sdk/CMakeLists.txt

@@ -61,7 +61,7 @@ if(CONFIG_SOC_GECKO_HAS_RADIO)
   )
 
   # sl_protocol_crypto
-  zephyr_library_sources_ifdef(CONFIG_BT_SILABS_EFR32
+  zephyr_library_sources_ifdef(CONFIG_SILABS_SISDK_PROTOCOL_CRYPTO
     ${SECURITY_DIR}/sl_component/sl_protocol_crypto/src/sli_radioaes_management.c
     ${SECURITY_DIR}/sl_component/sl_protocol_crypto/src/sli_protocol_crypto_radioaes.c
     ${SECURITY_DIR}/sl_component/sli_crypto/src/sl_crypto_s2.c

modules/hal_silabs/simplicity_sdk/Kconfig

@@ -51,4 +51,11 @@ config SILABS_SISDK_RAIL_MULTIPROTOCOL
 	  coexistence and arbitration between multiple wireless protocols (for
 	  example, Bluetooth LE and a proprietary 2.4 GHz stack) on Gecko SoCs.
 
+config SILABS_SISDK_PROTOCOL_CRYPTO
+	bool "Accelerated Crypto Primitives (RADIOAES)"
+	depends on SOC_GECKO_HAS_RADIO
+	help
+	  This component provides accelerated cryptographic primitives using the
+	  RADIOAES (series-2) peripherals.
+
 endmenu