Add vfat as filesystem for FAI partition

Descriptive title for this enhancement

We miss the filesystem vfat for FAI partition

Actual behavior

Value "vfat" not exist

Expected behavior

Adding the "vfat" value

Step by step description of new behaviour

1. Make an FAI partition
2. Select vfat in filesystem list (ext4 ext3 ...)

Benefits

We beed vfat to make EFI partition

assigned to @MCMic

added ~756 label

added plugin-fai label

changed milestone to %FusionDirectory 1.3

changed title from Add vfat as iflesystem for FAI partition to Add vfat as filesystem for FAI partition

created branch 5846-add-vfat-as-iflesystem-for-fai-partition

added 5m of time spent at 2018-08-03

closed via commit 7e9fa3a8

mentioned in commit 3f3a3223

added Added label

mentioned in commit 7e9fa3a8