ide: Avoid preprocessor for CONFIG_LBA48

Use IS_ENABLED() instead for all conditions. Add the 'lba48' flag into
struct blk_desc always, since it uses very little space. Use a bool so
the meaning is clearer.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
2 files changed