defconfig: 8960: enable timechart support

Enable defconfig option required for timechart.
When this tool is not in use, this option does not cause
any statistically significant overhead.

Change-Id: I5605228c35af43e0b363db859a739f3f515b708e
Signed-off-by: Neil Leeder <nleeder@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 985c446..3ccab17 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -412,6 +412,7 @@
 CONFIG_DEBUG_MEMORY_INIT=y
 CONFIG_DEBUG_LIST=y
 CONFIG_DEBUG_PAGEALLOC=y
+CONFIG_ENABLE_DEFAULT_TRACERS=y
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_DEBUG_USER=y
 CONFIG_CRYPTO_SHA256=y