Bluetooth: hci_core: Fix LE quote calculation

[ Upstream commit 932021a11805b9da4bd6abf66fe233cccd59fe0e ]

Function hci_sched_le needs to update the respective counter variable
inplace other the likes of hci_quote_sent would attempt to use the
possible outdated value of conn->{le_cnt,acl_cnt}.

Link: https://github.com/bluez/bluez/issues/915


Fixes: 73d80deb ("Bluetooth: prioritizing data over HCI")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 08829a8ff1303b1a903d1417dc0a06ffc7d17044)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>