[Buildroot] [PATCH] package/mdadm: update website link

[Peter Korsgaard]

>>>>> "Baruch" == Baruch Siach <baruch at tkos.co.il> writes:

 > Neil Brown no longer maintains mdadm. The old website refers to a stale
 > git repository. There is nothing else but this wiki page to serve as a
 > website.

 > Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Committed to 2019.02.x and 2019.05.x, thanks.

-- 
Bye, Peter Korsgaard