cxgb4: update kernel-doc line comments

cxgb4: update kernel-doc line comments

Update several kernel-doc line comments to fix warnings reported by
make W=1.

Fixes following class of warnings reported by make W=1 in several
places:
l2t.c:616: warning: Cannot understand  * @dev: net_device pointer
t4_hw.c:3175: warning: Function parameter or member 'adap' not
described in 't4_get_exprom_version'
t4_hw.c:3175: warning: Excess function parameter 'adapter' description
in 't4_get_exprom_version'

Fixes: f93bc83ad5d8 ("cxgb4: Add HW and FW support code")
Fixes: 5a9e07790725 ("cxgb4: Add packet queues and packet DMA code")
Fixes: 8adb23ef698f ("cxgb4: Don't attempt to upgrade T4 firmware when cxgb4 will end up as a slave")
Fixes: 7a653e1f31de ("RDMA/cxgb4: Fix bug for active and passive LE hash collision path")
Fixes: e6ae9722ff1c ("cxgb4: Add support in cxgb4 to get expansion rom version via ethtool")
Fixes: cf0e35c42dc5 ("cxgb4: Add API to alloc l2t entry; also update existing ones")
Fixes: d342847348f9 ("cxgb4: Decode link down reason code obtained from firmware")
Fixes: 1b6a29253743 ("cxgb4: Update T6 Buffer Group and Channel Mappings")
Fixes: 87638e2794e2 ("cxgb4: Use Firmware params to get buffer-group map")
Fixes: bee8584e4ac0 ("cxgb4: time stamping interface for PTP")
Fixes: a07dcf9e442d ("cxgb4: Add PTP Hardware Clock (PHC) support")
Fixes: 4fcf6640524d ("cxgb4/cxgbvf: Handle 32-bit fw port capabilities")
Fixes: d2ac1db168f3 ("cxgb4: update API for TP indirect register access")
Fixes: 0da78d0fe1ed ("cxgb4: introduce SMT ops to prepare for SMAC rewrite support")
Fixes: d6fbcc21ffba ("cxgb4: collect egress and ingress SGE queue contexts")
Fixes: c343811bcf69 ("cxgb4: Add support for ethtool i2c dump")
Fixes: 138943bb4388 ("cxgb4/cxgb4vf: add support for ndo_set_vf_vlan")
Fixes: 2caf23ba41c8 ("cxgb4: add tc flower match support for tunnel VNI")
Fixes: 13ac02d7c8cb ("cxgb4: use new fw interface to get the VIN and smt index")
Fixes: 7179802c3b6e ("cxgb4/cxgb4vf: Program hash region for {t4/t4vf}_change_mac()")
Fixes: e394725b5503 ("cxgb4/cxgb4vf: Add support for SGE doorbell queue timer")
Fixes: b589259108dc ("cxgb4: add FLOWC based QoS offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>