ARM: 7374/1: add TRACEHOOK support

Add calls to tracehook_report_syscall_{entry,exit} and tracehook_signal_handler

Signed-off-by: Steven Walter <stevenrwalter@gmail.com>
Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/signal.c

@@ -636,6 +636,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
 	 */
 	block_sigmask(ka, sig);
 
+	tracehook_signal_handler(sig, info, ka, regs, 0);
+
 	return 0;
 }