package/ipmiutil: bump to version 3.1.7

- Drop patch (not needed since
  https://github.com/arcress0/ipmiutil/commit/32b6e5634d773150338b60585e9c258cd575e3d9

)
- Drop autoreconf
- Update indentation in hash file (two spaces)

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>