This website argues for Haplotype X, as possibly being of European, Middle-Eastern origin:
http://www.jefflindsay.com/LDSFAQ/DNA.shtml#x
This is not made up by Mormons, it actually has a name:
The Solutrean Hypothesis
This recent study goes against that:
http://www.ajhg.org/retrieve/pii/S0002929708001390