tile: Use get_signal() signal_setup_done()

Use the more generic functions get_signal() signal_setup_done()
for signal delivery.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>

diff --cc arch/tile/include/asm/compat.h
Simple merge

diff --cc arch/tile/kernel/compat_signal.c
Simple merge

diff --cc arch/tile/kernel/signal.c
Simple merge