arm: psci: Add PSCI v1.1 macro

Add macro representing the PSCI v1.1 .

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index 67e9234..8b3fb87 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -22,6 +22,7 @@
 #include <linux/bitops.h>
 #endif
 
+#define ARM_PSCI_VER_1_1		(0x00010001)
 #define ARM_PSCI_VER_1_0		(0x00010000)
 #define ARM_PSCI_VER_0_2		(0x00000002)