ide: introduce HAVE_IDE

To allow flexible configuration of IDE introduce HAVE_IDE.
All archs except arm, um and s390 unconditionally select it.
For arm the actual configuration determine if IDE is supported.

This is a step towards introducing drivers/Kconfig for arm.

Signed-off-by: Sam Ravnborg <[email protected]>
Acked-by: Russell King - ARM Linux <[email protected]>
Acked-by: Bartlomiej Zolnierkiewicz <[email protected]>
23 files changed