target/ppc: Fix xvabs[sd]p, xvnabs[sd]p, xvneg[sd]p, xvcpsgn[sd]p

target/ppc: Fix xvabs[sd]p, xvnabs[sd]p, xvneg[sd]p, xvcpsgn[sd]p

We were using set_cpu_vsr*() when we should have used get_cpu_vsr*().

Fixes: 8b3b2d75c7c0 ("introduce get_cpu_vsr{l,h}() and set_cpu_vsr{l,h}() helpers for VSR register access")
Signed-off-by: Anton Blanchard <anton@ozlabs.org>
Message-Id: <20190509104912.6b754dff@kryten>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(upstream commit 77bd8937c03dd55e57cc257951ad07c185303c3e)
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>