project: msm8953: Add macro to enable, readonly mapping of text sections.

Macro to enable feature, which create readonly mapping of text sections,
possibly disabling any corruption during runtime.

Change-Id: I52249850b9d0988c7218ffe089601f1dc43b5782
diff --git a/project/msm8953.mk b/project/msm8953.mk
index 0c21ce0..4a502c6 100644
--- a/project/msm8953.mk
+++ b/project/msm8953.mk
@@ -43,6 +43,9 @@
 ENABLE_SMD_SUPPORT := 1
 ENABLE_PWM_SUPPORT := true
 
+#Comment this to disable this feature.
+DEFINES += SECURE_CODE_MEM=1
+
 #DEFINES += WITH_DEBUG_DCC=1
 DEFINES += WITH_DEBUG_LOG_BUF=1
 DEFINES += WITH_DEBUG_UART=1