ltp-testsuite: does not build on NIOS II

Fixes:

  http://autobuild.buildroot.org/results/1ae/1aef491ec016ddd601446164c5b97ce480e755e6/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/ltp-testsuite/Config.in

@@ -8,6 +8,8 @@ config BR2_PACKAGE_LTP_TESTSUITE
 	depends on BR2_INET_IPV6
 	depends on BR2_LARGEFILE
 	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	# does not build, cachectl.h issue
+	depends on !BR2_nios2
 	help
 	  The Linux Test Project provides a huge testsuite for Linux.
 
@@ -21,5 +23,6 @@ config BR2_PACKAGE_LTP_TESTSUITE
 	  http://ltp.sourceforge.net/
 
 comment "ltp-testsuite needs a toolchain w/ IPv6, RPC, largefile, threads"
+	depends on !BR2_nios2
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_INET_IPV6 || \
 		!BR2_LARGEFILE || !BR2_TOOLCHAIN_HAS_NATIVE_RPC