ARM: fiq_debugger: add support for reboot commands

Pass the rest of the reboot command to kernel_restart to allow
reboot bootloader to work from FIQ debugger.

Change-Id: I4e7b366a69268dda17ffcf4c84f2373d15cb1271
Signed-off-by: Colin Cross <ccross@android.com>
diff --git a/arch/arm/common/fiq_debugger.c b/arch/arm/common/fiq_debugger.c
index 0e33748..3f75495 100644
--- a/arch/arm/common/fiq_debugger.c
+++ b/arch/arm/common/fiq_debugger.c
@@ -592,8 +592,17 @@
 		dump_allregs(state, regs);
 	} else if (!strcmp(cmd, "bt")) {
 		dump_stacktrace(state, (struct pt_regs *)regs, 100, svc_sp);
-	} else if (!strcmp(cmd, "reboot")) {
-		kernel_restart(NULL);
+	} else if (!strncmp(cmd, "reboot", 6)) {
+		cmd += 6;
+		while (*cmd == ' ')
+			cmd++;
+		if (*cmd) {
+			char tmp_cmd[32];
+			strlcpy(tmp_cmd, cmd, sizeof(tmp_cmd));
+			kernel_restart(tmp_cmd);
+		} else {
+			kernel_restart(NULL);
+		}
 	} else if (!strcmp(cmd, "irqs")) {
 		dump_irqs(state);
 	} else if (!strcmp(cmd, "kmsg")) {