kernel/error: Amend error code for ERR_MAX_CONNECTIONS_REACHED

We can make this error code an alias of the resource limit exceeded
error code, allowing us to get rid of the lingering 3DS error code of
the same type.

src/core/hle/kernel/errors.h

@@ -14,9 +14,9 @@ enum {
     SessionClosedByRemote = 26,
     NoPendingSessions = 35,
     InvalidBufferDescriptor = 48,
-    MaxConnectionsReached = 52,
 
     // Confirmed Switch OS error codes
+    MaxConnectionsReached = 7,
     InvalidAddress = 102,
     HandleTableFull = 105,
     InvalidMemoryState = 106,
@@ -29,6 +29,7 @@ enum {
     TooLarge = 119,
     InvalidEnumValue = 120,
     InvalidState = 125,
+    ResourceLimitExceeded = 132,
 };
 }
 
@@ -39,7 +40,8 @@ enum {
 constexpr ResultCode ERR_HANDLE_TABLE_FULL(ErrorModule::Kernel, ErrCodes::HandleTableFull);
 constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
 constexpr ResultCode ERR_PORT_NAME_TOO_LONG(ErrorModule::Kernel, ErrCodes::TooLarge);
-constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(-1);
+constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(ErrorModule::Kernel,
+                                                 ErrCodes::MaxConnectionsReached);
 constexpr ResultCode ERR_INVALID_ENUM_VALUE(ErrorModule::Kernel, ErrCodes::InvalidEnumValue);
 constexpr ResultCode ERR_INVALID_ENUM_VALUE_FND(-1);
 constexpr ResultCode ERR_INVALID_COMBINATION(-1);