ice: Simplify memory allocation in ice_sched_init_port()

'buf' is locale to the ice_sched_init_port() function.
There is no point in using devm_kzalloc()/devm_kfree().

use kzalloc()/kfree() instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_sched.c

@@ -1212,7 +1212,7 @@ int ice_sched_init_port(struct ice_port_info *pi)
 	hw = pi->hw;
 
 	/* Query the Default Topology from FW */
-	buf = devm_kzalloc(ice_hw_to_dev(hw), ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
+	buf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
@@ -1290,7 +1290,7 @@ int ice_sched_init_port(struct ice_port_info *pi)
 		pi->root = NULL;
 	}
 
-	devm_kfree(ice_hw_to_dev(hw), buf);
+	kfree(buf);
 	return status;
 }