fpga: zynqmp: Add secure bitstream loading for ZynqMP

This patch adds support for loading secure bitstreams on ZynqMP
platforms. The secure bitstream images has to be generated using
Xilinx bootgen tool.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/zynqmppl.h b/include/zynqmppl.h
index a0f4e68..5214db9 100644
--- a/include/zynqmppl.h
+++ b/include/zynqmppl.h
@@ -16,6 +16,9 @@
 #define ZYNQMP_FPGA_OP_LOAD			(1 << 1)
 #define ZYNQMP_FPGA_OP_DONE			(1 << 2)
 
+#define ZYNQMP_FPGA_FLAG_AUTHENTICATED		BIT(2)
+#define ZYNQMP_FPGA_FLAG_ENCRYPTED		BIT(3)
+
 #define ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT	15
 #define ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK	(0xf << \
 					ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT)