Minor typos fixed in the Makefile

- rename needs '='
- *.*.v -> *.*.lef (to ignore .magic.lef files)
diff --git a/sky130/Makefile b/sky130/Makefile
index 5c6a060..2b14ee0 100644
--- a/sky130/Makefile
+++ b/sky130/Makefile
@@ -172,7 +172,7 @@
 INSTALL = ../common/staging_install.py ${EF_FORMAT}
 
 # The script(s) below are used for custom changes to the vendor PDK files
-ADDPROP = ../common/insert_property.py ${EF_FORMAT} 
+ADDPROP = ../common/insert_property.py ${EF_FORMAT}
 
 # List the EDA tools to install local setup files for
 TOOLS = magic qflow netgen klayout openlane
@@ -329,7 +329,7 @@
 		-cdl %l/v%v/cells/*/*.cdl ignore=topography \
 		-spice %l/v%v/cells/*/*.spice  \
 		-library general sky130_fd_io |& tee -a ${SKY130A}_install.log
-        # Install all SkyWater digital standard cells.
+	# Install all SkyWater digital standard cells.
 	${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
 		-techlef %l/latest/tech/*.tlef \
 		-spice %l/latest/cells/*/*.spice compile-only \
@@ -348,16 +348,16 @@
 		-library digital sky130_fd_sc_lp |& tee -a ${SKY130A}_install.log
         # Install OSU digital standard cells.
 	${STAGE} -source ${OSU_PATH} -target ${STAGING_PATH}/${SKY130A} \
-		-techlef char/techfiles/scs8.lef rename sky130_osu_sc.tlef \
+		-techlef char/techfiles/scs8.lef rename=sky130_osu_sc.tlef \
 		-spice lib/spice/*.spice compile-only \
-		-lef outputs/s8_osu130.lef rename sky130_osu_sc.lef \
+		-lef outputs/s8_osu130.lef rename=sky130_osu_sc.lef \
 		-lib outputs/*.lib \
 		-gds lib/gds/*.gds compile-only \
 		-verilog outputs/VERILOG/*.v \
 		-library digital sky130_osu_sc
 	# Install additional model file (efabless)
 	${STAGE} -source ./custom -target ${STAGING_PATH}/${SKY130A} \
-		-ngspice models/*.lib rename ${SKY130A}.lib \
+		-ngspice models/*.lib rename=${SKY130A}.lib \
 		|& tee -a ${SKY130A}_install.log
 	# Install custom additions to I/O pad library
 	${STAGE} -source ./custom -target ${STAGING_PATH}/${SKY130A} \