defconfig: 8974: Enable CPU boost driver

This driver does sync of CPU frequencies on migration of an important
thread from a fast CPU to a slow CPU.

Change-Id: I2496244890240039d6bfc80c6424eb235e2ed987
Signed-off-by: Zhoulu Luo <zluo@codeaurora.org>
diff --git a/arch/arm/configs/msm8974-perf_defconfig b/arch/arm/configs/msm8974-perf_defconfig
index 83920bd..731538f 100644
--- a/arch/arm/configs/msm8974-perf_defconfig
+++ b/arch/arm/configs/msm8974-perf_defconfig
@@ -104,6 +104,7 @@
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_INTERACTIVE=y
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_CPU_BOOST=y
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y
diff --git a/arch/arm/configs/msm8974_defconfig b/arch/arm/configs/msm8974_defconfig
index 47347c4..67ceaed 100644
--- a/arch/arm/configs/msm8974_defconfig
+++ b/arch/arm/configs/msm8974_defconfig
@@ -110,6 +110,7 @@
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_INTERACTIVE=y
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_CPU_BOOST=y
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y