meta/selftest/scripts: Use print function for python3 compatibility

Used print function instead of print statement to make
the code work in python 3.

[Changes from both Ed and Richard]

(From OE-Core rev: ced1995694c394d92cb82fb9c25a33dc027a3b69)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/qa.py

@@ -148,4 +148,4 @@ if __name__ == "__main__":
     import sys
     elf = ELFFile(sys.argv[1])
     elf.open()
-    print elf.isDynamic()
+    print(elf.isDynamic())

meta/lib/oe/utils.py

@@ -265,7 +265,7 @@ class ThreadedWorker(Thread):
             try:
                 func(self, *args, **kargs)
             except Exception, e:
-                print e
+                print(e)
             finally:
                 self.tasks.task_done()
 

meta/lib/oeqa/runtime/files/test.py

@@ -3,4 +3,4 @@ import os
 os.system('touch /tmp/testfile.python')
 
 a = 9.01e+21 - 9.01e+21 + 0.01
-print "the value of a is %s" % a
+print("the value of a is %s" % a)

meta/lib/oeqa/runtime/systemd.py

@@ -153,7 +153,7 @@ class SystemdJournalTests(SystemdTest):
             if check_match: break
         # put the startup time in the test log
         if check_match:
-            print "%s" % check_match
+            print("%s" % check_match)
         else:
             self.skipTest("Error at obtaining the boot time from journalctl")
         boot_time_sec = 0
@@ -174,5 +174,5 @@ class SystemdJournalTests(SystemdTest):
             self.skipTest("Error when parsing time from boot string")
         #Assert the target boot time against systemd's unit start timeout
         if boot_time_sec > systemd_TimeoutStartSec:
-            print "Target boot time %s exceeds systemd's TimeoutStartSec %s"\
-                    %(boot_time_sec, systemd_TimeoutStartSec)
+            print("Target boot time %s exceeds systemd's TimeoutStartSec %s"\
+                    %(boot_time_sec, systemd_TimeoutStartSec))

meta/lib/oeqa/selftest/base.py

@@ -67,7 +67,7 @@ class oeSelfTest(unittest.TestCase):
                 machine = custommachine
             machine_conf = 'MACHINE ??= "%s"\n' % machine
             self.set_machine_config(machine_conf)
-            print 'MACHINE: %s' % machine
+            print('MACHINE: %s' % machine)
 
         # tests might need their own setup
         # but if they overwrite this one they have to call