Update PSL1GHT
From PSXBrew Wiki
In this page you will learn how to update your PSL1GHT copy.
For updating all libraries do:
git clone https://github.com/ps3dev/ps3libraries cd ps3libraries ./libraries.sh
For updating one particular library do:
git clone https://github.com/ps3dev/ps3libraries cd ps3libraries
Then select the library you want to update in ps3libraries/scripts library and do (example for NoRSX):
./scripts/020-NoRSX.sh