mmc: sdhci-msm: detect if tassadar_dll is used by using core version

Detect if tassadar_dll is required by using core version rather than
just specifying it in the sdhci_msm_variant_info.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>