raviole: add PRODUCT_SOONG_NAMESPACES for trusty liboemcrypto.so

Bug: 179364089
Change-Id: Id7f8c243743badbd29f1c2e3b74baecec049180e
diff --git a/device-raven.mk b/device-raven.mk
index 936aa00..eecef2a 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -144,4 +144,7 @@
 
 # SKU specific RROs
 PRODUCT_PACKAGES += \
-    SettingsOverlayGF5KQ
\ No newline at end of file
+    SettingsOverlayGF5KQ
+
+# Trusty liboemcrypto.so
+PRODUCT_SOONG_NAMESPACES += vendor/google_devices/raviole/prebuilts