enable NPTL on TARGET_arm

	* extra/Configs/Config.in: enable UCLIBC_HAS_THREADS_NATIVE on
	TARGET_arm.

Signed-off-by: Christophe Lyon <christophe.lyon@st.com>

extra/Configs/Config.in

@@ -549,7 +549,7 @@ config UCLIBC_HAS_THREADS_NATIVE
 		   !TARGET_h8300 && \
 		   !TARGET_hppa && \
 		   !TARGET_ia64 && \
-		   ARCH_USE_MMU
+		   (ARCH_USE_MMU || TARGET_arm)
 	help
 	  If you want to compile uClibc with NPTL support, then answer Y.