src/console/Kconfig: Fix choice for showing POST codes on console

Use CONSOLE_POST because the preprocessor conditional in post_code()
in src/console/post.c depends on it, while POST_IO is used in another
conditional for sending the codes to an I/O port.

Change-Id: Ia044cffb5f0aad0f8b2bb04faa12df11a705757a
Signed-off-by: Daniele Forsi <dforsi@gmail.com>
Reviewed-on: http://review.coreboot.org/6416
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
build system: remove duplicate architecture list

Let xcompile pass the list of architectures, given
that it already has it.

Change-Id: I565512d3bef987c9a4e48a39bfd88bacf0b65de9
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/6254
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>