python3: Add a fix for a make install race

Add a fix for reproducibility issues where pyc files for python-config.py
may not always be generated.

(From OE-Core rev: d1c3a87c48b598b6e5624d0affe8bd89320631bf)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3_3.9.6.bb

@@ -31,6 +31,7 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.xz \
            file://0001-Lib-sysconfig.py-use-libdir-values-from-configuratio.patch \
            file://0001-Skip-failing-tests-due-to-load-variability-on-YP-AB.patch \
            file://0001-test_ctypes.test_find-skip-without-tools-sdk.patch \
+           file://makerace.patch \
            "
 
 SRC_URI_append_class-native = " \