sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK

The sparc64 arch code has all the prerequisites, so set HAVE_ARCH_TRACEHOOK.
Signed-off-by: NRoland McGrath <roland@redhat.com>

arch/sparc64/Kconfig

@@ -17,6 +17,7 @@ config SPARC64
 	select HAVE_LMB
 	select HAVE_ARCH_KGDB
 	select USE_GENERIC_SMP_HELPERS if SMP
+	select HAVE_ARCH_TRACEHOOK
 
 config GENERIC_TIME
 	bool