Description: powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach
References:
Notes:
 carnil> Introduced in a8ca9fc9134c ("powerpc/iommu: Do not do platform domain attach
 carnil> atctions after probe"). Vulnerable versions: 6.7-rc1.
Bugs:
upstream: released (6.8-rc5) [0846dd77c8349ec92ca0079c9c71d130f34cb192]
6.7-upstream-stable: released (6.7.6) [c90fdea9cac9eb419fc266e75d625cb60c8f7f6c]
6.6-upstream-stable: N/A "Vulnerable code not present"
6.1-upstream-stable: N/A "Vulnerable code not present"
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: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"