MAINTAINERS: update kexec/kdump maintainers entries

Update KEXEC and KDUMP maintainer entries by adding the live update group
maintainers.  Remove Vivek Goyal due to inactivity to keep the MAINTAINERS
file up-to-date, and add Vivek to the CREDITS file to recognize their
contributions.

Link: https://lore.kernel.org/20260413121146.49215-1-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: Pratyush Yadav <pratyush@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Diego Viola <diego.viola@gmail.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Magnus Karlsson <magnus.karlsson@intel.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Martin Kepplinger <martink@posteo.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Author: soleen

CREDITS

@@ -1456,6 +1456,10 @@ N: Andy Gospodarek
 E: andy@greyhouse.net
 D: Maintenance and contributions to the network interface bonding driver.
 
+N: Vivek Goyal
+E: vgoyal@redhat.com
+D: KDUMP, KEXEC, and VIRTIO FILE SYSTEM
+
 N: Wolfgang Grandegger
 E: wg@grandegger.com
 D: Controller Area Network (device drivers)

MAINTAINERS

@@ -13786,7 +13786,9 @@ F:	scripts/Makefile.kcsan
 KDUMP
 M:	Andrew Morton <akpm@linux-foundation.org>
 M:	Baoquan He <bhe@redhat.com>
-R:	Vivek Goyal <vgoyal@redhat.com>
+M:	Mike Rapoport <rppt@kernel.org>
+M:	Pasha Tatashin <pasha.tatashin@soleen.com>
+M:	Pratyush Yadav <pratyush@kernel.org>
 R:	Dave Young <dyoung@redhat.com>
 L:	kexec@lists.infradead.org
 S:	Maintained
@@ -14102,6 +14104,9 @@ F:	include/linux/kernfs.h
 KEXEC
 M:	Andrew Morton <akpm@linux-foundation.org>
 M:	Baoquan He <bhe@redhat.com>
+M:	Mike Rapoport <rppt@kernel.org>
+M:	Pasha Tatashin <pasha.tatashin@soleen.com>
+M:	Pratyush Yadav <pratyush@kernel.org>
 L:	kexec@lists.infradead.org
 W:	http://kernel.org/pub/linux/utils/kernel/kexec/
 F:	include/linux/kexec.h