soc: qcom: dcc_v2: support multiple link lists

DCC can program multiple link lists. Add driver support to
parse multiple link lists in device tree.  Support upto
8 link lists.

Change-Id: Ib8a53253d44f4f8568a7dec079c8713e831c2c4d
Signed-off-by: Shaoqing Liu <shaoqingliu@codeaurora.org>
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>