MAINTAINERS: supplement of zswap maintainers update

As discussed on the mailing list [1], merge the zpool maintainers entry
into the zswap one.  Also, add CREDITS entries for previous zswap/zpool
maintainers.

[1] https://lore.kernel.org/linux-mm/CAJD7tkYx4YWhGoVwnSeGc8dY_1aRRxxg8PzWBV==A6iqG_OgFw@mail.gmail.com/

Link: https://lkml.kernel.org/r/20240117182152.1439822-1-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Seth Jennings <sjenning@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

CREDITS

@@ -2161,6 +2161,19 @@ N: Mike Kravetz
 E: mike.kravetz@oracle.com
 D: Maintenance and development of the hugetlb subsystem
 
+N: Seth Jennings
+E: sjenning@redhat.com
+D: Creation and maintenance of zswap
+
+N: Dan Streetman
+E: ddstreet@ieee.org
+D: Maintenance and development of zswap
+D: Creation and maintenance of the zpool API
+
+N: Vitaly Wool
+E: vitaly.wool@konsulko.com
+D: Maintenance and development of zswap
+
 N: Andreas S. Krebs
 E: akrebs@altavista.net
 D: CYPRESS CY82C693 chipset IDE, Digital's PC-Alpha 164SX boards

MAINTAINERS

@@ -24341,13 +24341,6 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs.git
 F:	Documentation/filesystems/zonefs.rst
 F:	fs/zonefs/
 
-ZPOOL COMPRESSED PAGE STORAGE API
-M:	Dan Streetman <ddstreet@ieee.org>
-L:	linux-mm@kvack.org
-S:	Maintained
-F:	include/linux/zpool.h
-F:	mm/zpool.c
-
 ZR36067 VIDEO FOR LINUX DRIVER
 M:	Corentin Labbe <clabbe@baylibre.com>
 L:	mjpeg-users@lists.sourceforge.net
@@ -24399,7 +24392,9 @@ M:	Nhat Pham <nphamcs@gmail.com>
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	Documentation/admin-guide/mm/zswap.rst
+F:	include/linux/zpool.h
 F:	include/linux/zswap.h
+F:	mm/zpool.c
 F:	mm/zswap.c
 
 THE REST