Use more generic name for this macro use pointer used behind it will point to kernel debugger after it gets initialized

xtoskrnl/ke/i686/krnlinit.c

@@ -36,7 +36,7 @@ XTAPI
 VOID
 KepStartKernel(VOID)
 {
-    LdrPrint(L"Hello from new kernel stack!\n");
+    DebugPrint(L"Hello from new kernel stack!\n");
     for(;;);
 }