zynqmp: pm: Add IOCTL to set boot health status

Since the MMIO read/write APIs are removed from Linux user space,
Linux cannot directly write to the Global General Storage Register 4
any more to set healthy boot status.

Create an IOCTL to allow Linux to set boot health status.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Acked-by: Will Wong <willw@xilinx.com>
diff --git a/plat/xilinx/zynqmp/zynqmp_def.h b/plat/xilinx/zynqmp/zynqmp_def.h
index dd26c6c..bfd6197 100644
--- a/plat/xilinx/zynqmp/zynqmp_def.h
+++ b/plat/xilinx/zynqmp/zynqmp_def.h
@@ -335,4 +335,8 @@
 #define PGGS_BASEADDR		(0xFFD80050U)
 #define PGGS_NUM_REGS		U(4)
 
+/* Warm restart boot health status register and mask */
+#define PM_BOOT_HEALTH_STATUS_REG		(GGS_BASEADDR + U(0x10))
+#define PM_BOOT_HEALTH_STATUS_MASK		U(0x01)
+
 #endif /* __ZYNQMP_DEF_H__ */