Modify - macro hallow for PDN gen can not be > macro's halo

Signed-off-by: louiic <[email protected]>

Author: louiic

flow/designs/asap7/mock-array/pdn.tcl

@@ -28,5 +28,5 @@ add_pdn_connect -grid {top} -layers {M5 M6}
 # Element grid
 ####################################
 # The halo around the macro prevents pdn from blocking pin access
-define_pdn_grid -macro -cells Element -halo "3.0 3.0 3.0 3.0" -voltage_domains {CORE} -name ElementGrid
+define_pdn_grid -macro -cells Element -halo "0.25 0.25 0.25 0.25" -voltage_domains {CORE} -name ElementGrid
 add_pdn_connect -grid {ElementGrid} -layers {M5 M6}