exo: implement start of mariko fatal handler

exosphere/loader_stub/source/secmon_loader_main.cpp

@@ -24,7 +24,6 @@ namespace ams::secmon::loader {
         /* Uncompress the program image. */
         Uncompress(secmon::MemoryRegionPhysicalTzramFullProgramImage.GetPointer(), secmon::MemoryRegionPhysicalTzramFullProgramImage.GetSize(), program_lz4, program_lz4_size);
 
-
         /* Copy the boot image to the end of IRAM */
         u8 *relocated_boot_code = secmon::MemoryRegionPhysicalIramBootCodeImage.GetEndPointer<u8>() - boot_code_lz4_size;
         std::memcpy(relocated_boot_code, boot_code_lz4, boot_code_lz4_size);