build: fix project pathmap with legacy repos

 some devices still use (display/media)-legacy. Enable those
 trees to be handled via project pathmap.
 Disable QCOM_BSP on legacy if BOARD_USES_LEGACY_QCOM_DISPLAY := true

Change-Id: I38b75ea49b3f7f5736eaaf9370bb72b2aaa42320
build: Allow 8610 8226 8974 to share QCOM HALs

default everything else (excluding 8084) to 8960.
added legacy calls

Change-Id: Idfbdc405a35c5ba518fc71c8b691fc177ddf9068
qcom_utils: Add qsd8k to qcom platforms

Change-Id: Id85569d1dd7be2f4c0620827da6d89e63b658aa9