sunxi: HYP/non-sec: add sun7i PSCI backend

So far, only supporting the CPU_ON method.
Other functions can be added later.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile
index 6c70639..e9721b2 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -17,6 +17,9 @@
 
 ifndef CONFIG_SPL_BUILD
 obj-y	+= cpu_info.o
+ifdef CONFIG_ARMV7_PSCI
+obj-y	+= psci.o
+endif
 endif
 
 ifdef CONFIG_SPL_BUILD