mmc: card: disable cache for specific Kingston cards

This change prevents enabling cache for cards with
product name MMC16G.
This change is workaround the problem of long timeouts for cache
operations.

Change-Id: Ic166e90b1ffcf46bc8d968ba80ab132fc608b0f9
Signed-off-by: Talel Shenhar <tatias@codeaurora.org>
Signed-off-by: Ram Prakash Gupta <rampraka@codeaurora.org>