qcacld-3.0: Remove flag CONFIG_PER_VDEV_TX_DESC_POOL

Remove flag CONFIG_PER_VDEV_TX_DESC_POOL.
Legacy per vdev flow control implementation under
CONFIG_PER_VDEV_TX_DESC_POOL was never used in cld3.0 driver.
For a Genoa a new per vdev flow control implementation for HL systems,
was added under the flag QCA_HL_NETDEV_FLOW_CONTROL.
Hence remove CONFIG_PER_VDEV_TX_DESC_POOL and replace it with
QCA_HL_NETDEV_FLOW_CONTROL or QCA_LL_LEGACY_TX_FLOW_CONTROL whereever
applicable.

Change-Id: Ibdf88e60cff7d3be46924ce7605f468781b5b856
CRs-Fixed: 2373790
6 files changed