mako: debug: add pet_watchdog in the beginning of panic handler

sometimes kernel panic is treated as watchdog bark, because
watchdog timer could be expired in the middle of panic handling.

Change-Id: Ib9b434de2c8738ae6ce2ecf14c26ea356ca8c7a3

arch/arm/mach-msm/restart.c

@@ -221,6 +221,7 @@ void set_ssr_magic_number(const char* subsys_name)
 
 void set_kernel_crash_magic_number(void)
 {
+	pet_watchdog();
 	if (ssr_magic_number == 0)
 		__raw_writel(0x6d630100, restart_reason);
 	else