xen/arm: Move __PSCI* from traps.c to the header

These defines will be used to create the fake PSCI node in dom0 device tree.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

xen/arch/arm/traps.c

@@ -848,11 +848,6 @@ static arm_hypercall_t arm_hypercall_table[] = {
     HYPERCALL_ARM(vcpu_op, 3),
 };
 
-#define __PSCI_cpu_suspend 0
-#define __PSCI_cpu_off     1
-#define __PSCI_cpu_on      2
-#define __PSCI_migrate     3
-
 typedef int (*arm_psci_fn_t)(uint32_t, register_t);
 
 typedef struct {

xen/include/asm-arm/psci.h

@@ -6,6 +6,11 @@
 #define PSCI_EINVAL  -2
 #define PSCI_DENIED  -3
 
+#define __PSCI_cpu_suspend 0
+#define __PSCI_cpu_off     1
+#define __PSCI_cpu_on      2
+#define __PSCI_migrate     3
+
 int do_psci_cpu_on(uint32_t vcpuid, register_t entry_point);
 int do_psci_cpu_off(uint32_t power_state);
 int do_psci_cpu_suspend(uint32_t power_state, register_t entry_point);