core: copy firmware header for T1 port into final binary

core/SConscript.firmware

@@ -626,7 +626,7 @@ if env.get('TREZOR_MODEL') == 'T':
     ]
 else:
     action_bin=[
-        '$OBJCOPY -O binary -j .flash -j .data $SOURCE $TARGET',
+        '$OBJCOPY -O binary -j .header -j .flash -j .data $SOURCE $TARGET',
     ]
 
 program_bin = env.Command(

core/embed/firmware/memory_1.ld

@@ -26,7 +26,7 @@ sram_end = ORIGIN(SRAM) + LENGTH(SRAM);
 _ram_start = sram_start;
 _ram_end = sram_end;
 
-_codelen = LENGTH(FLASH);
+_codelen = SIZEOF(.flash) + SIZEOF(.data) + SIZEOF(.ARM.exidx);
 _flash_start = ORIGIN(FLASH);
 _flash_end = ORIGIN(FLASH) + LENGTH(FLASH);
 _heap_start = ADDR(.heap);