Kconfig: Add secure log support

Signed-off-by: Jianliang Shen <jianliang.shen@arm.com>
Change-Id: I1d86289a85443ea98c289fcb0671b8792929e3a4
diff --git a/secure_fw/spm/Kconfig b/secure_fw/spm/Kconfig
index 6b20dd8..6c8db95 100644
--- a/secure_fw/spm/Kconfig
+++ b/secure_fw/spm/Kconfig
@@ -135,6 +135,11 @@
 
 endmenu
 
+config TFM_SPM_LOG_RAW_ENABLED
+    bool
+    default y if TFM_SPM_LOG_LEVEL != 0 || TFM_SP_LOG_RAW_ENABLED
+    default n
+
 ######################## Promptless (non-user) config options ##################
 ########### Do NOT change the following config options anywhere! ###############
 config CONFIG_TFM_PARTITION_META