asap7/sky130: Disable Use Min Spacing

The recommended setting for USEMINSPACING OBS is OFF, however it defaults
to ON if the statement is missing.

Signed-off-by: Anton Blanchard <[email protected]>

Author: antonblanchard

flow/platforms/asap7/lef/asap7_tech_1x_201209.lef

@@ -33,6 +33,7 @@ VERSION 5.8 ;
 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;
 CLEARANCEMEASURE EUCLIDEAN ;
+USEMINSPACING OBS OFF ;
 
 UNITS
  DATABASE MICRONS 1000 ;

flow/platforms/sky130hd/lef/sky130_fd_sc_hd.tlef

@@ -18,6 +18,7 @@ VERSION 5.7 ;
 
 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;
+USEMINSPACING OBS OFF ;
 
 UNITS
   TIME NANOSECONDS 1 ;

flow/platforms/sky130hd_fakestack/lef/9M_li_2Ma_2Mb_2Mc_2Md_1Me.tlef

@@ -2,6 +2,7 @@ VERSION 5.7 ;
 
 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;
+USEMINSPACING OBS OFF ;
 
 UNITS
   TIME NANOSECONDS 1 ;

flow/platforms/sky130hd_fakestack/lef/sky130_fd_sc_hd.tlef

@@ -18,6 +18,7 @@ VERSION 5.7 ;
 
 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;
+USEMINSPACING OBS OFF ;
 
 UNITS
   TIME NANOSECONDS 1 ;

flow/platforms/sky130hs/lef/sky130_fd_sc_hs.tlef

@@ -18,6 +18,7 @@ VERSION 5.7 ;
 
 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;
+USEMINSPACING OBS OFF ;
 
 UNITS
   TIME NANOSECONDS 1 ;