Python asyncio fix (#2433)

* fixed postgresql typo

* fix setup file locations

frameworks/Python/asyncio/aiohttp.web/setup-mysql.sh

@@ -2,4 +2,4 @@
 
 fw_depends mysql
 
-source ./setup.sh
+source $TROOT/aiohttp.web/setup.sh

frameworks/Python/asyncio/aiohttp.web/setup-postgresql.sh

@@ -2,4 +2,4 @@
 
 fw_depends postgresql
 
-source ./setup.sh
+source $TROOT/aiohttp.web/setup.sh

frameworks/Python/asyncio/yocto_http/setup.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-fw_depends mysql postgres python3
+fw_depends mysql postgresql python3
 
 pip3 install --install-option="--prefix=${PY3_ROOT}" -r $TROOT/requirements.txt