[build] Use pip to install setup.py dependency instead of `python set…

…up.py install` (#8997)

#### Why I did it
Fix a recent build error introduced by a pre-release redis-py. This is a general issue because `python setup.py install` (ie `easy_instal`) does not ignore pre-release versions. The fix is suggested by pypa/setuptools#855 (comment)

slave.mk

@@ -643,6 +643,8 @@ $(addprefix $(PYTHON_WHEELS_PATH)/, $(SONIC_PYTHON_WHEELS)) : $(PYTHON_WHEELS_PA
 		pushd $($*_SRC_PATH) $(LOG_SIMPLE)
 		# apply series of patches if exist
 		if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then QUILT_PATCHES=../$(notdir $($*_SRC_PATH)).patch quilt push -a; fi
+		# Use pip instead of later setup.py to install dependencies into user home, but uninstall self
+		pip$($*_PYTHON_VERSION) install . && pip$($*_PYTHON_VERSION) uninstall --yes `python setup.py --name`
 		if [ ! "$($*_TEST)" = "n" ]; then python$($*_PYTHON_VERSION) setup.py test $(LOG); fi
 		python$($*_PYTHON_VERSION) setup.py bdist_wheel $(LOG)
 		# clean up

src/redis-dump-load.patch/series

@@ -1,3 +1,2 @@
 0001-Use-pipelines-when-dumping-52.patch
 0002-Fix-setup.py-for-test-and-bdist_wheel.patch
-0003-use-redis-3.5.3.patch

src/sonic-yang-models/setup.py

@@ -85,8 +85,7 @@
                          './yang-models/sonic-tc-queue-map.yang',
                          './yang-models/sonic-pfc-priority-queue-map.yang',
                          './yang-models/sonic-pfc-priority-priority-group-map.yang',
-                         './yang-models/sonic-port-qos-map.yang',
-                         './yang-models/sonic_yang_tree']),
+                         './yang-models/sonic-port-qos-map.yang']),
     ],
     zip_safe=False,
 )