MAINTAINERS: nvdimm: Include maintainer profile

No dedicated NVDIMM maintainers are returned by get_maintainers.pl for
the subsystem maintainer profile, thus patches changing that file miss
the actual owners of the file.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260518104306.39289-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alison Schofield <alison.schofield@intel.com>

Author: krzk

MAINTAINERS

@@ -14711,6 +14711,7 @@ S:	Supported
 Q:	https://patchwork.kernel.org/project/linux-nvdimm/list/
 P:	Documentation/nvdimm/maintainer-entry-profile.rst
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
+F:	Documentation/nvdimm/maintainer-entry-profile.rst
 F:	drivers/acpi/nfit/*
 F:	drivers/nvdimm/*
 F:	include/linux/libnvdimm.h