nfp: populate MODULE_VERSION

DKMS and similar out-of-tree module replacement services use
module version to make sure the out-of-tree software is not
older than the module shipped with the kernel.  We use the
kernel version in ethtool -i output, put it into MODULE_VERSION
as well.
Reported-by: Jan Gutter <jan.gutter@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_main.c

@@ -649,3 +649,4 @@ MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x25.nffw");
 MODULE_AUTHOR("Netronome Systems <oss-drivers@netronome.com>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("The Netronome Flow Processor (NFP) driver.");
+MODULE_VERSION(UTS_RELEASE);