target: msm8937: Add PWM support to msm8937 target

Add PWM support for PMI632 on msm8937 target to enable
display in lk.

Change-Id: I5c220e776d110bda91a1f24de8bca154be255543
diff --git a/project/msm8952.mk b/project/msm8952.mk
index d40dfa1..7bfc1b5 100644
--- a/project/msm8952.mk
+++ b/project/msm8952.mk
@@ -34,7 +34,7 @@
 
 
 ENABLE_SMD_SUPPORT := 1
-#ENABLE_PWM_SUPPORT := true
+ENABLE_PWM_SUPPORT := true
 
 #DEFINES += WITH_DEBUG_DCC=1
 DEFINES += WITH_DEBUG_LOG_BUF=1