ASoC: Update the Max value of integer controls.

When control value is queried, framework is returning the
min value as zero even if min is negative.
This change will make sure that frame work will update
the max value in cases where min is negative.

Change-Id: I4e5c70a659ded61c4094f1622611f82994df86b0
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>