mac80211_hwsim: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops

It is more clear to use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs file
operation rather than DEFINE_SIMPLE_ATTRIBUTE.

It is detected with the help of coccinelle.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Link: https://lore.kernel.org/r/1572404462-45462-1-git-send-email-zhongjiang@huawei.comSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/mac80211_hwsim.c

@@ -769,7 +769,7 @@ static int hwsim_fops_ps_write(void *dat, u64 val)
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
+DEFINE_DEBUGFS_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
 			 "%llu\n");
 
 static int hwsim_write_simulate_radar(void *dat, u64 val)
@@ -781,7 +781,7 @@ static int hwsim_write_simulate_radar(void *dat, u64 val)
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
+DEFINE_DEBUGFS_ATTRIBUTE(hwsim_simulate_radar, NULL,
 			 hwsim_write_simulate_radar, "%llu\n");
 
 static int hwsim_fops_group_read(void *dat, u64 *val)
@@ -798,7 +798,7 @@ static int hwsim_fops_group_write(void *dat, u64 val)
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
+DEFINE_DEBUGFS_ATTRIBUTE(hwsim_fops_group,
 			 hwsim_fops_group_read, hwsim_fops_group_write,
 			 "%llx\n");