Update PSCI version to 1.1

Updated the PSCI version conforming to the PSCI v1.1
specification (ARM DEN022D).

Change-Id: I1f34772ef6de37ec1ade719a1ab3aa062152d995
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>

include/lib/psci/psci.h

@@ -151,7 +151,7 @@
  * PSCI version
  ******************************************************************************/
 #define PSCI_MAJOR_VER		(U(1) << 16)
-#define PSCI_MINOR_VER		U(0x0)
+#define PSCI_MINOR_VER		U(0x1)
 
 /*******************************************************************************
  * PSCI error codes