mmc: Fix for memory leak in sdhci

We are allocating the dma descriptors,but they are not explicitly
freed. This change will free the dma descriptors after every transfer.

Change-Id: I0a851923ab4d2551215e29b34c7c31b85502fb3f
Signed-off-by: sameeruddin shaik <samesh@codeaurora.org>
1 file changed