utils: segmaker: use only one SLICE instead of 2

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

utils/segmaker.py

diff --git a/utils/segmaker.py b/utils/segmaker.py
index ee48110..7fa4d52 100644
--- a/utils/segmaker.py
+++ b/utils/segmaker.py
@@ -7,8 +7,8 @@
 seg 00020880_048
 bit 30_00
 bit 31_49
-tag CLB.SLICE_X0.AFF.DMUX.CY 1
-tag CLB.SLICE_X0.BFF.DMUX.BX 0
+tag CLB.SLICE.AFF.DMUX.CY 1
+tag CLB.SLICE.BFF.DMUX.BX 0
 
 tilegrid.json provides tile addresses
 '''
@@ -277,13 +277,10 @@
                 def name_slice():
                     '''
                     Simplify SLICE names like:
-                    -SLICE_X12Y102 => SLICE_X0
-                    -SLICE_X13Y102 => SLICE_X1
+                    -SLICE_X12Y102 => SLICE
                     '''
-                    if re.match(r"SLICE_X[0-9]*[02468]Y", site):
-                        return "SLICE_X0"
-                    elif re.match(r"SLICE_X[0-9]*[13579]Y", site):
-                        return "SLICE_X1"
+                    if re.match(r"SLICE_X[0-9]*[0123456789]Y", site):
+                        return "SLICE"
                     else:
                         assert False, "Invalid name in %s" % site