powerpc/pseries: Fix typo in parameter description

Fix typo in "hotplug_delay" parameter description. This allows modinfo
to match the help text to the parameter.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/pseries/cmm.c

@@ -76,7 +76,7 @@ module_param_named(delay, delay, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(delay, "Delay (in seconds) between polls to query hypervisor paging requests. "
 		 "[Default=" __stringify(CMM_DEFAULT_DELAY) "]");
 module_param_named(hotplug_delay, hotplug_delay, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(delay, "Delay (in seconds) after memory hotplug remove "
+MODULE_PARM_DESC(hotplug_delay, "Delay (in seconds) after memory hotplug remove "
 		 "before loaning resumes. "
 		 "[Default=" __stringify(CMM_HOTPLUG_DELAY) "]");
 module_param_named(oom_kb, oom_kb, uint, S_IRUGO | S_IWUSR);