MAINTAINERS: Update Srivatsa S. Bhat's maintained areas

I have decided to change employers and I'm not sure if I'll be able to
spend as much time on the subsystems/drivers I maintain. So, I would
like to remove myself from the maintainer role.

Remove Srivatsa from the maintainers entry and add Ajay Kaher as an
additional reviewer/maintainer for the respective areas. Also, add an
entry to CREDITS for Srivatsa.

  [ bp: Merge all three into one patch, adjust commit message. ]
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Alexey Makhalov <amakhalov@vmware.com>
Acked-by: Ajay Kaher <akaher@vmware.com>
Acked-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230512164958.575174-1-srivatsa@csail.mit.edu

CREDITS

@@ -383,6 +383,12 @@ E: tomas@nocrew.org
 W: http://tomas.nocrew.org/
 D: dsp56k device driver
 
+N: Srivatsa S. Bhat
+E: srivatsa@csail.mit.edu
+D: Maintainer of Generic Paravirt-Ops subsystem
+D: Maintainer of VMware hypervisor interface
+D: Maintainer of VMware virtual PTP clock driver (ptp_vmw)
+
 N: Ross Biro
 E: ross.biro@gmail.com
 D: Original author of the Linux networking code

MAINTAINERS

@@ -15929,7 +15929,7 @@ F:	include/uapi/linux/ppdev.h
 
 PARAVIRT_OPS INTERFACE
 M:	Juergen Gross <jgross@suse.com>
-M:	Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
+R:	Ajay Kaher <akaher@vmware.com>
 R:	Alexey Makhalov <amakhalov@vmware.com>
 R:	VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
 L:	virtualization@lists.linux-foundation.org
@@ -22493,7 +22493,7 @@ S:	Supported
 F:	drivers/misc/vmw_balloon.c
 
 VMWARE HYPERVISOR INTERFACE
-M:	Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
+M:	Ajay Kaher <akaher@vmware.com>
 M:	Alexey Makhalov <amakhalov@vmware.com>
 R:	VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
 L:	virtualization@lists.linux-foundation.org
@@ -22520,8 +22520,8 @@ F:	drivers/scsi/vmw_pvscsi.c
 F:	drivers/scsi/vmw_pvscsi.h
 
 VMWARE VIRTUAL PTP CLOCK DRIVER
-M:	Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
 M:	Deep Shah <sdeep@vmware.com>
+R:	Ajay Kaher <akaher@vmware.com>
 R:	Alexey Makhalov <amakhalov@vmware.com>
 R:	VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
 L:	netdev@vger.kernel.org