More refinements on xcircuit setup for sky130_fd_pr.

sky130/xcircuit/sky130.xcircuitrc

diff --git a/sky130/xcircuit/sky130.xcircuitrc b/sky130/xcircuit/sky130.xcircuitrc
index a329697..b61cbc5 100644
--- a/sky130/xcircuit/sky130.xcircuitrc
+++ b/sky130/xcircuit/sky130.xcircuitrc
@@ -43,15 +43,6 @@
 # Procedures used with sky130_fd_pr library
 #-----------------------------------------------
 
-proc limit_low {value limit} {
-    if {$value < $limit} {
-        set rval $limit
-    } else {
-        set rval $value
-    }
-    return [format "%1.3f" $rval]
-}
-
 # Return MiM cap capacitance value in fF
 proc get_mim_value {l w mult} {
     return [* $l $w $mult]

sky130/xcircuit/sky130_fd_pr.lps

diff --git a/sky130/xcircuit/sky130_fd_pr.lps b/sky130/xcircuit/sky130_fd_pr.lps
index a4bb081..f6d8a6f 100644
--- a/sky130/xcircuit/sky130_fd_pr.lps
+++ b/sky130/xcircuit/sky130_fd_pr.lps
@@ -362,7 +362,7 @@
 } def
 
 /sky130_fd_pr::MiMCap {
-<</@mult 1 /@model (m3_1) (lindex {m3_1 m3_2} 0) pop /@length (1) /@width (1) /p_yps2 
+<</@mult 1 /@model (m3_1) (lindex {m3_1 m3_2} 0) pop /@length (2) /@width (2) /p_yps2 
 -24 /p_xps2 48 /p_yps1 8 /p_xps1 48 /p_yps 72 /p_xps 48 /p_rot 0 /@class 
 (X) /@value (1) (get_mim_value @length @width @mult) pop /@index (?) /p_jst 
 20 >> begingate