intel_rapl: need linux/cpuhotplug.h for enum cpuhp_state

mainline inclusion
from mainline-v5.3-rc1
commit 8da04e05
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V
CVE: NA

--------------------------------

Fixes: 7ebf8eff ("intel_rapl: introduce struct rapl_if_private")
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

include/linux/intel_rapl.h

@@ -12,6 +12,7 @@
 
 #include <linux/types.h>
 #include <linux/powercap.h>
+#include <linux/cpuhotplug.h>
 
 enum rapl_domain_type {
 	RAPL_DOMAIN_PACKAGE,	/* entire package/socket */