Modified I/O references to match the sky130_fd_io release. Mostly
confirmed, but waiting on fixes to the library release.
diff --git a/verilog/rtl/caravel.v b/verilog/rtl/caravel.v
index a73cf98..b76e869 100644
--- a/verilog/rtl/caravel.v
+++ b/verilog/rtl/caravel.v
@@ -25,7 +25,7 @@
/* NOTE: Need to pass the PDK root directory to iverilog with option -I */
`include "libs.ref/sky130_fd_io/verilog/sky130_fd_io.v"
-// `include "libs.ref/sky130_fd_io/verilog/power_pads_lib.v"
+`include "libs.ref/sky130_fd_io/verilog/sky130_ef_io.v"
`include "libs.ref/sky130_fd_sc_hd/verilog/primitives.v"
`include "libs.ref/sky130_fd_sc_hd/verilog/sky130_fd_sc_hd.v"
