OMAP2430/3430 contain an 1.8V-only MMC2 host that is not properly
supported by the current driver. This patch contains changes to
correctly set up this host.
Signed-off-by: Seth Forshee <seth.forshee@gmail.com> Acked-by: Francisco Alecrim <francisco.alecrim@indt.org.br> Signed-off-by: Tony Lindgren <tony@atomide.com>