saveHex: rename recipe.hex -> recipe.output

Signed-off-by: Arnav Gupta <[email protected]>

Author: championswimmer

platform.txt

@@ -76,8 +76,8 @@ recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" {compiler.c.elf.f
 recipe.objcopy.bin.pattern="{compiler.path}{compiler.elf2hex.cmd}" {compiler.elf2hex.flags} {compiler.elf2hex.extra_flags} "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.bin"
 
 ## Save hex
-recipe.hex.tmp_file={build.project_name}.bin
-recipe.hex.save_file={build.project_name}.{build.variant}.bin
+recipe.output.tmp_file={build.project_name}.bin
+recipe.output.save_file={build.project_name}.{build.variant}.bin
 
 ## Compute size
 recipe.size.pattern="{compiler.path}{compiler.size.cmd}" -A "{build.path}/{build.project_name}.elf"