CONF: put DEBUG and trace under flags

Global flags: ST_DEBUG_TRACE
if ST_DEBUG_TRACE = 1, the debug and trace are activated on all
boot stage
Specific boot stage debug and trace flags:
ST_CMD_LINE_DEBUG_TRACE: addons for remove trace on kernel
ST_UBOOT_DEBUG_TRACE: activate/deactivate silent mode on u-boot
ST_TF_A_DEBUG_TRACE: activate/deactivate trace and debug on TF-A
ST_OPTEE_DEBUG_TRACE: activate/deactivate trace and debug on optee

Change-Id: I09a0c528fcef18f466f0e2b7b46715e2e43c8cf8
Signed-off-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>

recipes-security/optee/optee-os-stm32mp-common.inc

@@ -16,6 +16,9 @@ inherit deploy python3native
 OPTEEMACHINE ?= "${MACHINE}"
 OPTEEOUTPUTMACHINE ?= "${MACHINE}"
 
+# Default log level
+ST_OPTEE_DEBUG_LOG_LEVEL ??= "2"
+
 EXTRA_OEMAKE = "PLATFORM=${OPTEEMACHINE}"
 EXTRA_OEMAKE += "CROSS_COMPILE_core=${HOST_PREFIX}"
 EXTRA_OEMAKE += "CROSS_COMPILE_ta_arm64=${HOST_PREFIX}"
@@ -23,11 +26,12 @@ EXTRA_OEMAKE += "${@bb.utils.contains('TUNE_FEATURES', 'aarch64', 'CFG_ARM64_cor
 EXTRA_OEMAKE += "NOWERROR=1"
 EXTRA_OEMAKE += "LDFLAGS="
 EXTRA_OEMAKE += "LIBGCC_LOCATE_CFLAGS=--sysroot=${STAGING_DIR_TARGET}"
-EXTRA_OEMAKE += "CFG_TEE_CORE_LOG_LEVEL=2"
-EXTRA_OEMAKE += "CFG_TEE_CORE_DEBUG=n"
 EXTRA_OEMAKE += "comp-cflagscore='--sysroot=${STAGING_DIR_TARGET}'"
 EXTRA_OEMAKE += "${@bb.utils.contains('MACHINE_FEATURES', 'fip', '', 'CFG_STM32MP15x_STM32IMAGE=y', d)}"
 
+# debug and trace
+EXTRA_OEMAKE += "${@bb.utils.contains('ST_OPTEE_DEBUG_TRACE', '1', 'CFG_TEE_CORE_LOG_LEVEL=${ST_OPTEE_DEBUG_LOG_LEVEL} CFG_TEE_CORE_DEBUG=n', '', d)}"
+
 OPTEE_ARCH_armv7a = "arm32"
 OPTEE_ARCH_armv7ve = "arm32"
 OPTEE_ARCH_aarch64 = "arm64"