package/ltp-testsuite: needs threads NPTL

Fixes:
http://autobuild.buildroot.net/results/3e0/3e0bbf41e339e62422463773bf07945f048a9501

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/ltp-testsuite/Config.in

@@ -1,7 +1,7 @@
 config BR2_PACKAGE_LTP_TESTSUITE
 	bool "ltp-testsuite"
 	depends on BR2_USE_MMU # fork()
-	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on !BR2_TOOLCHAIN_USES_MUSL
 	# does not build, cachectl.h issue
 	depends on !BR2_nios2
@@ -11,7 +11,7 @@ config BR2_PACKAGE_LTP_TESTSUITE
 
 	  http://linux-test-project.github.io
 
-comment "ltp-testsuite needs a glibc or uClibc toolchain w/ threads"
+comment "ltp-testsuite needs a glibc or uClibc toolchain w/ NPTL"
 	depends on !BR2_nios2
 	depends on BR2_USE_MMU
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_TOOLCHAIN_USES_MUSL