Update documentation to match required tree on the storage device.
Update documentation to match required tree on the storage device.

Signed-off-by: lpleahy

git-svn-id: 3158a46dfd52e07d1fda3e32e1ab2e353a00b20f@13009 6f19259b-4bc3-4df7-8a09-765794883524

hwu25/AppPkg,hwu25/AppPkg,hwu25/AppPkg,hwu25/AppPkg