[products] Add pkg_resolver to the base product

pkg_resolver is used to resolve components.  Ensure it is included by
higher layers.

Test: build
Change-Id: I56d0dd1841b434aad9ca5df9b9d4e904c58c5300
diff --git a/packages/products/base b/packages/products/base
index 1427991..8ae2e3d 100644
--- a/packages/products/base
+++ b/packages/products/base
@@ -23,6 +23,7 @@
     "garnet/packages/prod/network_time",
     "garnet/packages/prod/openssh",
     "garnet/packages/prod/power_manager",
+    "garnet/packages/prod/pkg_resolver",
     "garnet/packages/prod/root_ssl_certificates",
     "garnet/packages/prod/runtime",
     "garnet/packages/prod/scpi",