Add support for title.db, and use title.db to augment TMD finding

Also added support for system title CIA building, and fixed various minor issues.
Also moved MakeMagic to Common.

src/core/ncch/smdh.cpp

@@ -4,15 +4,12 @@
 
 #include <cstring>
 #include <vector>
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/ncch/smdh.h"
 
 namespace Core {
 
-constexpr u32 MakeMagic(char a, char b, char c, char d) {
-    return a | b << 8 | c << 16 | d << 24;
-}
-
 // 8x8 Z-Order coordinate from 2D coordinates
 static constexpr u32 MortonInterleave(u32 x, u32 y) {
     constexpr u32 xlut[] = {0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15};