[nrf fromtree] drivers: bluetooth: hci: do not select MBEDTLS_ENTROPY_C in BT_SILABS_EFR32

The driver only uses psa_generate_random() so ENTROPY_C is not required.

Signed-off-by: Valerio Setti <[email protected]>
(cherry picked from commit 7b7b4fc)

Author: valeriosetti

drivers/bluetooth/hci/Kconfig

@@ -160,7 +160,6 @@ config BT_SILABS_EFR32
 	select SOC_GECKO_USE_RAIL
 	select MBEDTLS
 	select MBEDTLS_PSA_CRYPTO_C
-	select MBEDTLS_ENTROPY_C
 	select HAS_BT_CTLR
 	select BT_CTLR_PHY_UPDATE_SUPPORT
 	select BT_CTLR_PER_INIT_FEAT_XCHG_SUPPORT