qcacmn: Replace 8074_VP with WIFI_EMULATION_3_0

Replace QCA_WIFI_QCA8074_VP with CONFIG_WIFI_EMULATION_WIFI_3_0
since VP platform is not being used anymore.
Most of the parameters present inside QCA_WIFI_QCA8074_VP are related
to emulation timeouts. Hence replacing it with a more meaningful flag.

Change-Id: I22a0e5803e765333947f1613b376dcc6bd25b5af
6 files changed