address_space_info: Use type alias to simplify code

We can define an alias for the index arrays and then just reuse it to
make the code nicer to read.

src/core/hle/kernel/memory/address_space_info.cpp

@@ -49,18 +49,17 @@ constexpr bool IsAllowedIndexForAddress(std::size_t index) {
     return index < AddressSpaceInfos.size() && AddressSpaceInfos[index].address != Invalid;
 }
 
-constexpr std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>
-    AddressSpaceIndices32Bit{
+using IndexArray = std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>;
+
+constexpr IndexArray AddressSpaceIndices32Bit{
     0, 1, 0, 2, 0, 3,
 };
 
-constexpr std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>
-    AddressSpaceIndices36Bit{
+constexpr IndexArray AddressSpaceIndices36Bit{
     4, 5, 4, 6, 4, 7,
 };
 
-constexpr std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>
-    AddressSpaceIndices39Bit{
+constexpr IndexArray AddressSpaceIndices39Bit{
     9, 8, 8, 10, 12, 11,
 };