Restore support for both 32 and 64 bit

Previous setup with a 64-bit only source created some issues
with mediaserver that breaks compatibility.

Hence restore support for both 32 and 64 bit.

Change-Id: I0272ed0e9be7776f214d0f92fe93bf85874810ed
diff --git a/build/core/buildspec.mk b/build/core/buildspec.mk
index 1ffea0a..3b0c442 100644
--- a/build/core/buildspec.mk
+++ b/build/core/buildspec.mk
@@ -20,6 +20,9 @@
     SHIFT_BUILD_TYPE := beta
 endif
 
+# Disable 64-bit only build
+WITH_64_BIT_ONLY := false
+
 # If we do not build with GMS, we build ShiftOS-L
 ifneq ($(SHIFT_BUILD_WITH_GMS),true)
     SHIFT_BUILD_TYPE := $(SHIFT_BUILD_TYPE)-light