ARM: dts: msm: correct vendor prefix and direction of mmc3416x for msm8916

The device tree of mmc3416x for msm8916 is merged prior of the driver get
merged. Thus fix the device tree configrations according to the current
driver.

CRs-fixed: 652454
Change-Id: Ie45e508887306edbfaeb8bc7dd3312804feb59bd
Signed-off-by: Oliver Wang <mengmeng@codeaurora.org>