pthread: Move some rwlock tests from nptl to sysdeps/pthread

So they can be checked with htl too.

nptl/Makefile

@@ -244,10 +244,10 @@ tests = tst-attr2 tst-attr3 tst-default-attr \
 	tst-robust6 tst-robust7 tst-robust8 tst-robust9 \
 	tst-robustpi1 tst-robustpi2 tst-robustpi3 tst-robustpi4 tst-robustpi5 \
 	tst-robustpi6 tst-robustpi7 tst-robustpi8 tst-robustpi9 \
-	tst-rwlock1 tst-rwlock2 tst-rwlock2a tst-rwlock2b tst-rwlock3 \
-	tst-rwlock4 tst-rwlock5 tst-rwlock6 tst-rwlock7 tst-rwlock8 \
-	tst-rwlock9 tst-rwlock10 tst-rwlock11 tst-rwlock12 tst-rwlock13 \
-	tst-rwlock14 tst-rwlock15 tst-rwlock16 tst-rwlock17 tst-rwlock18 \
+	tst-rwlock2 tst-rwlock2a tst-rwlock2b tst-rwlock3 \
+	tst-rwlock6 tst-rwlock7 tst-rwlock8 \
+	tst-rwlock9 tst-rwlock10 tst-rwlock11 tst-rwlock12 \
+	tst-rwlock14 tst-rwlock15 tst-rwlock17 tst-rwlock18 \
 	tst-once5 \
 	tst-key1 tst-key2 tst-key3 tst-key4 \
 	tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 tst-sem6 tst-sem7 \
@@ -306,7 +306,6 @@ tests = tst-attr2 tst-attr3 tst-default-attr \
 	tst-thread-exit-clobber tst-minstack-cancel tst-minstack-exit \
 	tst-minstack-throw \
 	tst-rwlock-pwn \
-	tst-rwlock-tryrdlock-stall tst-rwlock-trywrlock-stall \
 	tst-unwind-thread
 
 tests-container =  tst-pthread-getattr

sysdeps/pthread/Makefile

@@ -52,6 +52,8 @@ tests += tst-cnd-basic tst-mtx-trylock tst-cnd-broadcast \
 	 tst-cond-except \
 	 tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex6 tst-mutex10 \
 	 tst-once1 tst-once2 tst-once3 tst-once4 \
+	 tst-rwlock1 tst-rwlock4 tst-rwlock5 tst-rwlock13 tst-rwlock16 \
+	 tst-rwlock-tryrdlock-stall tst-rwlock-trywrlock-stall \
 	 tst-spin1 tst-spin2 tst-spin3 tst-spin4
 
 tests += tst-oncex3 tst-oncex4