soong: Add TARGET_USES_QTI_CAMERA_DEVICE

Change-Id: I925b137edeed9fa11bbe566002147b444328c661
diff --git a/build/soong/soong_config.mk b/build/soong/soong_config.mk
index 27f1eb8..4058207 100644
--- a/build/soong/soong_config.mk
+++ b/build/soong/soong_config.mk
@@ -8,6 +8,7 @@
 	echo '    "Specific_camera_parameter_library": "$(TARGET_SPECIFIC_CAMERA_PARAMETER_LIBRARY)",'; \
 	echo '    "Target_shim_libs": "$(subst $(space),:,$(TARGET_LD_SHIM_LIBS))",'; \
 	echo '    "Uses_generic_camera_parameter_library": $(if $(TARGET_SPECIFIC_CAMERA_PARAMETER_LIBRARY),false,true),'; \
-	echo '    "Uses_qcom_bsp_legacy": $(if $(filter true,$(TARGET_USES_QCOM_BSP_LEGACY)),true,false)'; \
+	echo '    "Uses_qcom_bsp_legacy": $(if $(filter true,$(TARGET_USES_QCOM_BSP_LEGACY)),true,false),'; \
+	echo '    "Uses_qti_camera_device": $(if $(filter true,$(TARGET_USES_QTI_CAMERA_DEVICE)),true,false)'; \
 	echo '},'; \
 	echo '') > $(SOONG_VARIABLES_TMP)