sparc: Fix .size directive for do_int_load

sparc: Fix .size directive for do_int_load

BugLink: http://bugs.launchpad.net/bugs/769042

[ Upstream commit 35043c428f1fcb92feb5792f5878a8852ee00771 ]

gas used to accept (and ignore?) .size directives which referred to
undefined symbols, as this does.  In binutils 2.21 these are treated
as errors.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>