tile: support TIF_SYSCALL_TRACEPOINT; select HAVE_SYSCALL_TRACEPOINTS

This patch adds support for the TIF_SYSCALL_TRACEPOINT on the tile
architecture. Basically, it calls the appropriate tracepoints on syscall
entry and exit.

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index e911ef6..0e500d9 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -23,6 +23,7 @@
 	select GENERIC_CLOCKEVENTS
 	select MODULES_USE_ELF_RELA
 	select HAVE_ARCH_TRACEHOOK
+	select HAVE_SYSCALL_TRACEPOINTS
 
 # FIXME: investigate whether we need/want these options.
 #	select HAVE_IOREMAP_PROT