Description: usb: ulpi: Fix debugfs directory leak
References:
Notes:
 carnil> Introduced in bd0a0a024f2a ("usb: ulpi: Add debugfs support"). Vulnerable
 carnil> versions: 5.18-rc1.
Bugs:
upstream: released (6.8-rc3) [3caf2b2ad7334ef35f55b95f3e1b138c6f77b368]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.6) [33713945cc92ea9c4a1a9479d5c1b7acb7fc4df3]
6.6-upstream-stable: released (6.6.18) [330d22aba17a4d30a56f007d0f51291d7e00862b]
6.1-upstream-stable: released (6.1.79) [d31b886ed6a5095214062ee4fb55037eb930adb6]
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"