xcutools: fix return false when no global clock region set

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

lib/xilinx/xcupseries/part.cc

diff --git a/lib/xilinx/xcupseries/part.cc b/lib/xilinx/xcupseries/part.cc
index ad3e0d3..71ca577 100644
--- a/lib/xilinx/xcupseries/part.cc
+++ b/lib/xilinx/xcupseries/part.cc
@@ -86,7 +86,7 @@
 	if (!node.Tag().empty() && node.Tag() != "xilinx/xcupseries/part")
 		return false;
 
-	if (!node["global_clock_regions"] && !node["configuration_ranges"]) {
+	if (!node["rows"] && !node["configuration_ranges"]) {
 		return false;
 	}
 

lib/xilinx/xcuseries/part.cc

diff --git a/lib/xilinx/xcuseries/part.cc b/lib/xilinx/xcuseries/part.cc
index 4f7e92e..277ba7c 100644
--- a/lib/xilinx/xcuseries/part.cc
+++ b/lib/xilinx/xcuseries/part.cc
@@ -86,7 +86,7 @@
 	if (!node.Tag().empty() && node.Tag() != "xilinx/xcuseries/part")
 		return false;
 
-	if (!node["global_clock_regions"] && !node["configuration_ranges"]) {
+	if (!node["rows"] && !node["configuration_ranges"]) {
 		return false;
 	}