target: msm8994: Fix compilation warnings in target msm8994

Fix compilation warnings in an effort to enable WERROR.

Change-Id: I01a6880933335529f7d729f63801dbbaacd5034b
diff --git a/target/msm8994/init.c b/target/msm8994/init.c
index e0917f3..d12a60f 100644
--- a/target/msm8994/init.c
+++ b/target/msm8994/init.c
@@ -61,6 +61,8 @@
 #include <pm8x41_wled.h>
 #include <qpnp_wled.h>
 
+#include "target/display.h"
+
 #define CE_INSTANCE             2
 #define CE_EE                   1
 #define CE_FIFO_SIZE            64