benchmark: drop support for benchmark framework

Drop Benchmark Framework as current implementation is
non-function and obsolete, and it's not supported anymore.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io>
diff --git a/common.mk b/common.mk
index 40b2b3b..2bec957 100644
--- a/common.mk
+++ b/common.mk
@@ -32,7 +32,6 @@
 BUILD_PATH			?= $(ROOT)/build
 LINUX_PATH			?= $(ROOT)/linux
 UBOOT_PATH			?= $(ROOT)/u-boot
-BENCHMARK_APP_PATH		?= $(ROOT)/optee_benchmark
 OPTEE_OS_PATH			?= $(ROOT)/optee_os
 OPTEE_CLIENT_PATH		?= $(ROOT)/optee_client
 OPTEE_TEST_PATH			?= $(ROOT)/optee_test
@@ -43,9 +42,6 @@
 # default high verbosity. slow uarts shall specify lower if prefered
 CFG_TEE_CORE_LOG_LEVEL		?= 3
 
-# default disable latency benchmarks (over all OP-TEE layers)
-CFG_TEE_BENCHMARK		?= n
-
 # optee_test
 WITH_TLS_TESTS			?= y
 ifneq ($(COMPILER),clang)
@@ -277,8 +273,6 @@
 BR2_PACKAGE_LIBOPENSSL ?= y
 BR2_PACKAGE_MMC_UTILS ?= y
 BR2_PACKAGE_OPENSSL ?= y
-BR2_PACKAGE_OPTEE_BENCHMARK_EXT ?= $(CFG_TEE_BENCHMARK)
-BR2_PACKAGE_OPTEE_BENCHMARK_EXT_SITE ?= $(BENCHMARK_APP_PATH)
 BR2_PACKAGE_OPTEE_CLIENT_EXT_SITE ?= $(OPTEE_CLIENT_PATH)
 BR2_PACKAGE_OPTEE_EXAMPLES_EXT ?= y
 BR2_PACKAGE_OPTEE_EXAMPLES_EXT_CROSS_COMPILE ?= $(CROSS_COMPILE_S_USER)
@@ -368,10 +362,6 @@
 ################################################################################
 # Linux
 ################################################################################
-ifeq ($(CFG_TEE_BENCHMARK),y)
-LINUX_DEFCONFIG_BENCH ?= $(CURDIR)/kconfigs/tee_bench.conf
-endif
-
 LINUX_COMMON_FLAGS ?= LOCALVERSION= CROSS_COMPILE=$(CROSS_COMPILE_NS_KERNEL)
 
 .PHONY: linux-common
@@ -382,8 +372,7 @@
 	cd $(LINUX_PATH) && \
 		ARCH=$(LINUX_DEFCONFIG_COMMON_ARCH) \
 		CROSS_COMPILE=$(CROSS_COMPILE_NS_KERNEL) \
-		scripts/kconfig/merge_config.sh $(LINUX_DEFCONFIG_COMMON_FILES) \
-			$(LINUX_DEFCONFIG_BENCH)
+		scripts/kconfig/merge_config.sh $(LINUX_DEFCONFIG_COMMON_FILES)
 
 .PHONY: linux-defconfig-clean-common
 linux-defconfig-clean-common:
@@ -552,7 +541,6 @@
 	$(OPTEE_OS_TA_CROSS_COMPILE_FLAGS) \
 	CFG_TEE_CORE_LOG_LEVEL=$(CFG_TEE_CORE_LOG_LEVEL) \
 	DEBUG=$(DEBUG) \
-	CFG_TEE_BENCHMARK=$(CFG_TEE_BENCHMARK) \
 	CFG_IN_TREE_EARLY_TAS="$(CFG_IN_TREE_EARLY_TAS)"
 
 .PHONY: optee-os-common