package/lapack: bump version to 3.7.1

lapack does not support in-source builds anymore:
https://github.com/Reference-LAPACK/lapack/commit/ea081254b4a0538f81c74bdb8338b29a068303aa

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