postgresql: disable spinlock support for nds32

Fixes:
  - http://autobuild.buildroot.net/results/881318dad8217be0cd0eb18ce3c5ab3aff216272
Signed-off-by: Nylon Chen <nylon7@andestech.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/postgresql/postgresql.mk

@@ -36,7 +36,7 @@ ifneq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
 POSTGRESQL_CONF_OPTS += --disable-thread-safety
 endif
 
-ifeq ($(BR2_arcle)$(BR2_arceb)$(BR2_microblazeel)$(BR2_microblazebe)$(BR2_or1k)$(BR2_nios2)$(BR2_riscv)$(BR2_xtensa),y)
+ifeq ($(BR2_arcle)$(BR2_arceb)$(BR2_microblazeel)$(BR2_microblazebe)$(BR2_or1k)$(BR2_nios2)$(BR2_riscv)$(BR2_xtensa)$(BR2_nds32),y)
 POSTGRESQL_CONF_OPTS += --disable-spinlocks
 endif