Merge pull request #2322 from Pinata-Consulting/tapcell-typo

asap7: tapcell.tcl typo fix for -halo_width_y, was using MACRO_HALO_X

Author: maliberty

flow/platforms/asap7/openRoad/tapcell.tcl

@@ -10,4 +10,4 @@ tapcell \
   -tapcell_master "$::env(TAP_CELL_NAME)" \
   -endcap_master "$::env(TAP_CELL_NAME)"  \
   -halo_width_x $::env(MACRO_HALO_X) \
-  -halo_width_y $::env(MACRO_HALO_X)
+  -halo_width_y $::env(MACRO_HALO_Y)