dev-install: do not require binpkgs for lists

When generating the list of available packages, we don't care about
the specific versions, just the $CATEGORY/$PN, so don't force the use
of binpkgs when building the list.  This way we can generate it even
when only building a base image without test packages.

BUG=chromium:1072761
TEST=`./build_image ... base` works

Change-Id: Iae81b92dc4b1bb0c30278dfc195bb360fb56b300
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2213619
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/build_library/base_image_util.sh b/build_library/base_image_util.sh
index 5f3cd68..0f25608 100755
--- a/build_library/base_image_util.sh
+++ b/build_library/base_image_util.sh
@@ -97,7 +97,7 @@
   for pkg in "${pkgs[@]}" ; do
     (
       emerge-${BOARD} --color n --pretend --quiet --emptytree --cols \
-        --root-deps=rdeps --with-bdeps=n --usepkgonly ${pkg} | \
+        --root-deps=rdeps --with-bdeps=n ${pkg} | \
         awk '$2 ~ /\// {print $2 "-" $3}' | \
         sort > "${pkgs_out}/${pkg##*/}.packages"
       pipestatus=${PIPESTATUS[*]}