tools/zynqmp_pm_cfg_obj_convert.py: fix build with Vivado 2021.x

This tool fails with a pm_cfg_obj.c file generated by Vitis 2021.2. This is
because that version of Vitis added the PM_CONFIG_OBJECT_TYPE_BASE that was
not previously generated, thus the script does not implement it.

Reported-by: Neal Frager <nealf@xilinx.com>
[report: https://lists.buildroot.org/pipermail/buildroot/2022-February/636639.html]
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Link: https://lore.kernel.org/r/20220212125121.3398547-1-luca@lucaceresoli.net
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/tools/zynqmp_pm_cfg_obj_convert.py b/tools/zynqmp_pm_cfg_obj_convert.py
index 0a44710..239991a 100755
--- a/tools/zynqmp_pm_cfg_obj_convert.py
+++ b/tools/zynqmp_pm_cfg_obj_convert.py
@@ -244,6 +244,8 @@
 
     'SUSPEND_TIMEOUT'                    : 0xFFFFFFFF,
 
+    'PM_CONFIG_OBJECT_TYPE_BASE'         : 0x1,
+
     'PM_CONFIG_IPI_PSU_CORTEXA53_0_MASK' : 0x00000001,
     'PM_CONFIG_IPI_PSU_CORTEXR5_0_MASK'  : 0x00000100,
     'PM_CONFIG_IPI_PSU_CORTEXR5_1_MASK'  : 0x00000200,