package/eigen: bump version to 3.3.3

Added hash, changed _SITE to upstream tarball according to
http://eigen.tuxfamily.org/index.php

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/eigen/eigen.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256 a4143fc45e4454b4b98fcea3516b3a79b8cdb3bc7fadf996d088c6a0d805fea1  3.3.3.tar.bz2

package/eigen/eigen.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-EIGEN_VERSION = 3.2.5
-EIGEN_SITE = https://bitbucket.org/eigen/eigen
-EIGEN_SITE_METHOD = hg
+EIGEN_VERSION = 3.3.3
+EIGEN_SOURCE = $(EIGEN_VERSION).tar.bz2
+EIGEN_SITE = https://bitbucket.org/eigen/eigen/get
 EIGEN_LICENSE = MPL2, BSD-3-Clause, LGPL-2.1
 EIGEN_LICENSE_FILES = COPYING.MPL2 COPYING.BSD COPYING.LGPL COPYING.README
 EIGEN_INSTALL_STAGING = YES