python-ecosys: Add pypi= to metadata.

This is so the package knows the "upstream" name of the corresponding PyPI
package that it's based on.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

python-ecosys/cbor2/manifest.py

@@ -1,3 +1,3 @@
-metadata(version="0.1.0")
+metadata(version="0.1.0", pypi="cbor2")
 
 package("cbor2")

python-ecosys/iperf3/manifest.py

@@ -1,3 +1,3 @@
-metadata(version="0.1.3")
+metadata(version="0.1.3", pypi="iperf3", pypi_publish="uiperf3")
 
 module("iperf3.py")

python-ecosys/pyjwt/manifest.py

@@ -1,4 +1,4 @@
-metadata(version="0.1")
+metadata(version="0.1", pypi="pyjwt")
 
 require("hmac")
 

python-ecosys/urequests/manifest.py

@@ -1,3 +1,3 @@
-metadata(version="0.7.0")
+metadata(version="0.7.0", pypi="requests")
 
 module("urequests.py")