feat(py2hwsw): update py2hwsw version

Verified that Tester works correctly in ku040 fpga board using the following command:
```
make tester-fpga-run BOARD=aes_ku040_db_g INIT_MEM=1 USE_EXTMEM=0
```

default.nix

@@ -5,8 +5,8 @@
 { pkgs ? import <nixpkgs> {} }:
 
 let
-  py2hwsw_commit = "af994292be43041b5110d2dfeee31b0f5efd3f2a"; # Replace with the desired commit.
-  py2hwsw_sha256 = "E3pQl1pLeLNWNfUARhYqXsFv/GZHSnssLsiok2ZITPA="; # Replace with the actual SHA256 hash.
+  py2hwsw_commit = "7f3a6a5d7cdaba2dbeea1153de827dd91c490aa4"; # Replace with the desired commit.
+  py2hwsw_sha256 = "iOChGsvwKvX7cQPXu0O4I6ldpmUVicycqM9EVYzzARU="; # Replace with the actual SHA256 hash.
   # Get local py2hwsw root from `PY2HWSW_ROOT` env variable
   py2hwswRoot = builtins.getEnv "PY2HWSW_ROOT";
 

software/src/iob_soc_firmware.c

@@ -5,12 +5,12 @@
  */
 
 #include "iob_bsp.h"
+#include "iob_printf.h"
 #include "iob_soc_conf.h"
 #include "iob_soc_periphs.h"
 #include "iob_soc_system.h"
 #include "iob_timer.h"
 #include "iob_uart.h"
-#include "printf.h"
 #include <string.h>
 
 char *send_string = "Sending this string as a file to console.\n"