oeqa.buildperf: rename module containing basic tests

(From OE-Core rev: 56e455cf4b42ff4db36debd342bcb03c5199ba52)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/buildperf/__init__.py

@@ -12,4 +12,4 @@
 """Build performance tests"""
 from .base import (perf_test_case, BuildPerfTest, BuildPerfTestRunner,
                    KernelDropCaches)
-from .basic_tests import *
+from .test_basic import *