wifi: iwlwifi: pcie: remove redundant argument

The iwl_pcie_alloc_fw_monitor_block() function has an argument
that's only ever hard-coded to 11, remove it and hard-code the
value into the function itself with a comment.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.737c153e8259.Ibe6250ca812cfa2f00ac47e5e0d1595c6b9b4875@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>