MAINTAINERS: Update address for Ira Weiny

Update MAINTAINERS and .mailmap to point to my kernel.org address:
iweiny@kernel.org

Downgrade from maintainer to reviewer whilst doing so.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260504-change-maintain-file-v1-1-6679b030d3e0@intel.com
Signed-off-by: Alison Schofield <alison.schofield@intel.com>

Author: weiny2

.mailmap

@@ -448,6 +448,7 @@ Juha Yrjola <juha.yrjola@nokia.com>
 Juha Yrjola <juha.yrjola@solidboot.com>
 Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com>
 Justin Iurman <justin.iurman@gmail.com> <justin.iurman@uliege.be>
+Ira Weiny <iweiny@kernel.org> <ira.weiny@intel.com>
 Iskren Chernev <me@iskren.info> <iskren.chernev@gmail.com>
 Kalle Valo <kvalo@kernel.org> <kvalo@codeaurora.org>
 Kalle Valo <kvalo@kernel.org> <quic_kvalo@quicinc.com>

MAINTAINERS

@@ -4265,7 +4265,7 @@ M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 M:	"Rafael J. Wysocki" <rafael@kernel.org>
 M:	Danilo Krummrich <dakr@kernel.org>
 R:	Dave Ertman <david.m.ertman@intel.com>
-R:	Ira Weiny <ira.weiny@intel.com>
+R:	Ira Weiny <iweiny@kernel.org>
 R:	Leon Romanovsky <leon@kernel.org>
 L:	driver-core@lists.linux.dev
 S:	Supported
@@ -6435,8 +6435,8 @@ M:	Jonathan Cameron <jic23@kernel.org>
 M:	Dave Jiang <dave.jiang@intel.com>
 M:	Alison Schofield <alison.schofield@intel.com>
 M:	Vishal Verma <vishal.l.verma@intel.com>
-M:	Ira Weiny <ira.weiny@intel.com>
 M:	Dan Williams <djbw@kernel.org>
+R:	Ira Weiny <iweiny@kernel.org>
 L:	linux-cxl@vger.kernel.org
 S:	Maintained
 F:	Documentation/driver-api/cxl
@@ -14704,8 +14704,8 @@ LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM
 M:	Dan Williams <djbw@kernel.org>
 M:	Vishal Verma <vishal.l.verma@intel.com>
 M:	Dave Jiang <dave.jiang@intel.com>
-M:	Ira Weiny <ira.weiny@intel.com>
 M:	Alison Schofield <alison.schofield@intel.com>
+R:	Ira Weiny <iweiny@kernel.org>
 L:	nvdimm@lists.linux.dev
 S:	Supported
 Q:	https://patchwork.kernel.org/project/linux-nvdimm/list/