sparc64: use ENTRY/ENDPROC in VISsave

sparc64: use ENTRY/ENDPROC in VISsave

From 7d8a508d74e6cacf0f2438286a959c3195a35a37 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@ravnborg.org>
Date: Fri, 7 Aug 2015 20:26:12 +0200
Subject: [PATCH] sparc64: use ENTRY/ENDPROC in VISsave

Commit 44922150d87cef616fd183220d43d8fde4d41390
("sparc64: Fix userspace FPU register corruptions") left a
stale globl symbol which was not used.

Fix this and introduce use of ENTRY/ENDPROC

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>