linaro_swr: Make it a 64bit only build target

Make this experimental linaro_swr-userdebug build
a 64bit only build target.

Change-Id: I59e51223e6194f72997efe952ef2c9787a8a0f90
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/rb5.mk b/rb5.mk
index 50a31e8..27eab73 100644
--- a/rb5.mk
+++ b/rb5.mk
@@ -1,4 +1,6 @@
 $(call inherit-product, device/linaro/dragonboard/full.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk)
 $(call inherit-product, device/linaro/dragonboard/shared/graphics/drm_hwcomposer/device.mk)
 $(call inherit-product, device/linaro/dragonboard/shared/graphics/mesa/device.mk)
 $(call inherit-product, device/linaro/dragonboard/shared/graphics/minigbm_msm/device.mk)