[Kernel] Added option to load provided XAM for resource usage

- Added XEX1 key
- Removed annoying assertion from xeXamEnumerate
- Added returning hmodule_ptr for resource locator

src/xenia/kernel/xam/xam_enum.cc

@@ -29,8 +29,6 @@ namespace xam {
 uint32_t xeXamEnumerate(uint32_t handle, uint32_t flags, lpvoid_t buffer_ptr,
                         uint32_t buffer_size, uint32_t* items_returned,
                         uint32_t overlapped_ptr) {
-  assert_true(flags == 0);
-
   auto e = kernel_state()->object_table()->LookupObject<XEnumerator>(handle);
   if (!e) {
     return X_ERROR_INVALID_HANDLE;