buildroot: provide CFG_TEE_BENCHMARK in optee_client

Provide proper value to optee_client cmake option
CFG_TEE_BENCHMARK

Acked-by: Joakim Bech <joakim.bech@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>

br-ext/package/optee_client/optee_client.mk

@@ -4,6 +4,10 @@ OPTEE_CLIENT_SITE = $(BR2_PACKAGE_OPTEE_CLIENT_SITE)
 OPTEE_CLIENT_SITE_METHOD = local
 OPTEE_CLIENT_INSTALL_STAGING = YES
 
+ifeq ($(BR2_PACKAGE_OPTEE_BENCHMARK),y)
+OPTEE_CLIENT_CONF_OPTS = -DCFG_TEE_BENCHMARK=ON
+endif
+
 define OPTEE_CLIENT_INSTALL_SUPPLICANT_SCRIPT
 	$(INSTALL) -m 0755 -D $(OPTEE_CLIENT_PKGDIR)/S30optee \
 		$(TARGET_DIR)/etc/init.d/S30optee