[PULL 3/5] roms: Add a 'make help' target alias

[Philippe Mathieu-Daudé]

Various C projects provide a 'make help' target. Our root directory
does so. The roms/ directory lacks a such rule, but already displays
a help output when the default target is called.
Add a 'help' target aliased to the default one, to avoid:

  $ make -C roms help
  make: *** No rule to make target 'help'.  Stop.

Reviewed-by: John Snow <address@hidden>
Reviewed-by: Laszlo Ersek <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 roms/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/roms/Makefile b/roms/Makefile
index 6cf07d3b44..3ffd13cc7e 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -51,7 +51,7 @@ SEABIOS_EXTRAVERSION="-prebuilt.qemu.org"
 #
 EDK2_EFIROM = edk2/BaseTools/Source/C/bin/EfiRom
 
-default:
+default help:
        @echo "nothing is build by default"
        @echo "available build targets:"
        @echo "  bios               -- update bios.bin (seabios)"
-- 
2.21.0