target: msm8994: Enable PWM and QPNP WLED driver compilation.

Enable PWM and QPNP WLED driver to control display backlight
for MSM8994.

Change-Id: I1e0317e1ad5b692bf6e8b6db54c14ed06bc37f32
diff --git a/project/msm8994.mk b/project/msm8994.mk
index 5f994d2..bf22317 100644
--- a/project/msm8994.mk
+++ b/project/msm8994.mk
@@ -14,6 +14,7 @@
 ENABLE_USB30_SUPPORT := 1
 USE_DYNAMIC_SMEM := 1
 ENABLE_SMD_SUPPORT := 1
+ENABLE_PWM_SUPPORT := true
 
 #DEFINES += WITH_DEBUG_DCC=1
 DEFINES += WITH_DEBUG_UART=1