Use PRODUCT_HOST_PACKAGES with host-only modules

Test: treehugger
Change-Id: I8d6c145c996843f728a239b643d5b3041d8b47a9
diff --git a/products/atv_x86.mk b/products/atv_x86.mk
index f6d2ece..1f33a25 100644
--- a/products/atv_x86.mk
+++ b/products/atv_x86.mk
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-PRODUCT_PACKAGES := \
+PRODUCT_HOST_PACKAGES := \
     bios.bin \
     vgabios-cirrus.bin