[PATCH v5 20/20] x86: doc: coreboot: Mention 64-bit Linux distros

[Simon Glass]

Add a little more detail as to why coreboot64 is preferred for booting
Linux distros.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

(no changes since v2)

Changes in v2:
- Add new patch

 doc/board/coreboot/coreboot.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/board/coreboot/coreboot.rst b/doc/board/coreboot/coreboot.rst
index 3ef563b71dc9..10ef78bb5ada 100644
--- a/doc/board/coreboot/coreboot.rst
+++ b/doc/board/coreboot/coreboot.rst
@@ -82,6 +82,8 @@ build in `$CBDIR`::
       -device ahci,id=ahci \
       -device ide-hd,drive=disk,bus=ahci.0 \
 
+This allows booting and installing various distros, many of which are
+64-bit-only, so cannot work with the 32-bit 'coreboot' build.
 
 CBFS access
 -----------
-- 
2.42.0.459.ge4e396fd5e-goog