strace: fix failing ptests

1. They need to be run under regular user.
2. Some tests genuinely need more time than 30 seconds
3. The Makefile patch erroneously introduced a test-breaking change.

(From OE-Core rev: 3d6bf58c7080c1cacf3ed1f270ff5acf4858c790)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/strace/strace/Makefile-ptest.patch

@@ -42,6 +42,6 @@ Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
 +	done
 +	for file in $(EXTRA_DIST); do \
 +		install $(srcdir)/$$file $(DESTDIR)/$(TESTDIR); \
-+		sed -i -e 's/$${srcdir=.}/./g' $(DESTDIR)/$(TESTDIR)/$$file; \
++		#sed -i -e 's/$${srcdir=.}/./g' $(DESTDIR)/$(TESTDIR)/$$file; \
 +	done
 +	for i in net scm_rights-fd rt_sigaction; do sed -i -e 's/$$srcdir/./g' $(DESTDIR)/$(TESTDIR)/$$i.test; done

meta/recipes-devtools/strace/strace/run-ptest

@@ -1,3 +1,6 @@
 #!/bin/sh
-export TIMEOUT_DURATION=30
-make -B -C tests -k test-suite.log
+export TIMEOUT_DURATION=120
+chown nobody tests
+chown nobody tests/*
+chown nobody ../ptest
+su nobody -c "make -B -C tests -k test-suite.log"