Change important printfs to lg::print (#3355)

This allows them to be logged into a file, useful for debugging.

With this, GOAL `format` and C-kernel `Msg` (and its variants) will be
logged.

game/kernel/common/kprint.cpp

@@ -7,6 +7,7 @@
 
 #include "common/cross_os_debug/xdbg.h"
 #include "common/listener_common.h"
+#include "common/log/log.h"
 
 #include "game/kernel/common/Ptr.h"
 #include "game/kernel/common/fileio.h"
@@ -186,37 +187,37 @@ void cprintf(const char* format, ...) {
 /*!
  * Print directly to the C stdout
  * The "k" parameter is ignored, so this is just like printf
- * DONE, EXACT
+ * DONE, changed vprintf to lg::printstd
  */
 void Msg(s32 k, const char* format, ...) {
   (void)k;
   va_list args;
   va_start(args, format);
-  vprintf(format, args);
+  lg::printstd(format, args);
   va_end(args);
 }
 
 /*!
  * Print directly to the C stdout
  * This is idential to Msg
- * DONE, EXACT
+ * DONE, changed vprintf to lg::printstd
  */
 void MsgWarn(const char* format, ...) {
   va_list args;
   va_start(args, format);
-  vprintf(format, args);
+  lg::printstd(format, args);
   va_end(args);
 }
 
 /*!
  * Print directly to the C stdout
  * This is idential to Msg
- * DONE, EXACT
+ * DONE, changed vprintf to lg::printstd
  */
 void MsgErr(const char* format, ...) {
   va_list args;
   va_start(args, format);
-  vprintf(format, args);
+  lg::printstd(format, args);
   va_end(args);
 }
 
@@ -572,4 +573,4 @@ char* kitoa(char* buffer, s64 value, u64 base, s32 length, char pad, u32 flag) {
  */
 void kqtoa() {
   ASSERT(false);
-}
+}