Corrected sort_pdkfiles.py path
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index 81fcd3e..c37b8d1 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -922,19 +922,19 @@
 	# Install SkyWater I/O pad library
 	${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-lef %l/latest/cells/*/*.lef annotate compile-only \
 			exclude=*.magic.lef,sky130_ef_io.lef \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib \
 		-gds %l/latest/cells/*/*.gds compile-only \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 			options=custom/scripts/sky130_fd_io_import.tcl \
 		-verilog %l/latest/cells/*/*.*.v \
 		-verilog %l/latest/cells/*/*.v exclude=*.*.v \
 			compile-only filter=custom/scripts/inc_verilog.py \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-library general sky130_fd_io 2>&1 | tee -a ${SKY130A}_make.log
 	# Remove the base verilog files which have already been included into
 	# the libraries
@@ -955,24 +955,24 @@
 	${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
 		-techlef %l/latest/tech/*.tlef \
 		-spice %l/latest/cells/*/*.spice compile-only \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-lef %l/latest/cells/*/*.magic.lef compile-only \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib \
 		-gds %l/latest/cells/*/*.gds compile-only \
 			options=custom/scripts/gds_import_setup.tcl \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-verilog %l/latest/models/*/*.v exclude=*.*.v compile-only \
 			rename=primitives filter=custom/scripts/inc_verilog.py \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-verilog %l/latest/cells/*/*.*.v \
 		-verilog %l/latest/cells/*/*.v exclude=*.*.v,primitives.v \
 			compile-only filter=custom/scripts/inc_verilog.py \
-			sort=custom/scripts/sort_pdkfiles.py \
+			sort=../common/sort_pdkfiles.py \
 		-library digital sky130_fd_sc_hd \
 		-library digital sky130_fd_sc_hdll \
 		-library digital sky130_fd_sc_hvl \