ACPI: APEI: MAINTAINERS: Update reviewers for APEI

Update the ACPI APEI entry in MAINTAINERS by dropping the reviewers
who have not been responsive for over a year and adding a list of
new reviewers.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Shuai Xue <xueshuai@linux.alibaba.com>
Link: https://patch.msgid.link/12722151.O9o76ZdvQC@rjwysocki.net
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: rafaeljw

MAINTAINERS

@@ -306,10 +306,11 @@ F:	tools/power/acpi/
 
 ACPI APEI
 M:	"Rafael J. Wysocki" <rafael@kernel.org>
-R:	Len Brown <lenb@kernel.org>
-R:	James Morse <james.morse@arm.com>
 R:	Tony Luck <tony.luck@intel.com>
 R:	Borislav Petkov <bp@alien8.de>
+R:	Hanjun Guo <guohanjun@huawei.com>
+R:	Mauro Carvalho Chehab <mchehab@kernel.org>
+R:	Shuai Xue <xueshuai@linux.alibaba.com>
 L:	linux-acpi@vger.kernel.org
 F:	drivers/acpi/apei/