mmc: core: increase data-timeout value for Hynix cards

Add a quirk to increase the data-timeout value for Hynix eMMC
cards only. This value is fixed to a maximum of 4 seconds.

Change-Id: I4bca6cbc877b323b29a3f7f5923d0708c48adf2c
CRs-fixed: 587284
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>