zynqmp: pm: Implemented pm API functions to load the bitstream into PL

This patch adds pm_fpga_load() and pm_fpga_get_status() API's to provide
the Access to the xilfpga library to load the bitstream into zynqmp
PL region.

Signed-off-by: Nava kishore Manne <navam@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
index 22bdb47..26d83e7 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
@@ -109,4 +109,10 @@
 				 unsigned int mask,
 				 unsigned int value);
 enum pm_ret_status pm_mmio_read(uintptr_t address, unsigned int *value);
+enum pm_ret_status pm_fpga_load(uint32_t address_high,
+				uint32_t address_low,
+				uint32_t size,
+				uint32_t flags);
+enum pm_ret_status pm_fpga_get_status(unsigned int *value);
+
 #endif /* _PM_API_SYS_H_ */