qcacld-3.0: Enable DWARFv4 to unblock compilation issues
Currently when DWARFv5 is enabled, wlan driver compilation fails
with error, INT DW_ATE_unsigned_1024 Error emitting BTF type.
To unblock this compilation issue, temporarily switch
back to DWARFv4.
Change-Id: I2e37aff054e8a6161a80e97a227153eb2df68a74
CRs-Fixed: 3475979