mtd: onenand: Remove obsolete url from Kconfig help

Samsung website no longer host information about OneNAND,
delete it.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Ladislav Michl 2017-11-27 23:52:56 +01:00 • committed by Boris Brezillon
commit f170c6fb70