Kconfig: Set main stack for devices using OBERON_CTR_DRBG_DRIVER

Set the size of the main stack to 2048 to avoid stack overflow.

Ref: NCSDK-31791
Ref: NCSDK-31792

Signed-off-by: Marcin Jelinski <marcin.jelinski@nordicsemi.no>

Author: maje-emb

Kconfig.nrf

@@ -62,6 +62,7 @@ config NET_SOCKETS_OFFLOAD_TLS
 config MAIN_STACK_SIZE
 	default 3584 if PSA_NEED_CRACEN_CTR_DRBG_DRIVER && !BUILD_WITH_TFM
 	default 3584 if (SOC_NRF54H20_CPUAPP || SOC_NRF54H20_CPURAD)
+	default 2048 if PSA_NEED_OBERON_CTR_DRBG_DRIVER && !BUILD_WITH_TFM
 	default 2048 if ZTEST
 	default 2048 if ENTROPY_CC3XX && !BUILD_WITH_TFM