power: Add support for POWER_HINT_CPU_BOOST

Change-Id: I75030eb2dabfed518e961d71efb9d55670d2808a
diff --git a/power/include/samsung_power.h b/power/include/samsung_power.h
index ffc46b1..93752df 100644
--- a/power/include/samsung_power.h
+++ b/power/include/samsung_power.h
@@ -24,6 +24,7 @@
  * symlink to the locations given here, or override this header in your
  * device tree.
  */
+#define BOOST_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/boost"
 #define BOOSTPULSE_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/boostpulse"
 
 #define IO_IS_BUSY_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy"