Emails to him bounce with 550 error code:

```
5.1.0 - Unknown address error 550-'5.1.1 <m.chetan.kumar@linux.intel.com>: Recipient address rejected: User unknown in virtual mailbox table'
```

It looks like he had left Intel, so move him to CREDITS.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 CREDITS     | 6 ++++++
 MAINTAINERS | 2 --
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CREDITS b/CREDITS
index f33a33fd237170..bee086b6bbf2e3 100644
--- a/CREDITS
+++ b/CREDITS
@@ -4308,6 +4308,12 @@ D: ZyXEL omni.net lcd plus driver
 D: RTC subsystem
 S: Italy
 
+
+N: M Chetan Kumar
+E: <m.chetan.kumar@intel.com>
+D: Intel WWAN IOSM driver
+D: Mediatek T7XX 5G WWAN reviewer
+
 N: Marc Zyngier
 E: maz@wild-wind.fr.eu.org
 W: http://www.misterjones.org
diff --git a/MAINTAINERS b/MAINTAINERS
index 4b2c378b4fd930..785c8b13e74df6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10879,7 +10879,6 @@ S:	Maintained
 F:	drivers/platform/x86/intel/wmi/thunderbolt.c
 
 INTEL WWAN IOSM DRIVER
-M:	M Chetan Kumar <m.chetan.kumar@intel.com>
 M:	Intel Corporation <linuxwwan@intel.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
@@ -13504,7 +13503,6 @@ M:	Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
 M:	Intel Corporation <linuxwwan@intel.com>
 R:	Chiranjeevi Rapolu <chiranjeevi.rapolu@linux.intel.com>
 R:	Liu Haijun <haijun.liu@mediatek.com>
-R:	M Chetan Kumar <m.chetan.kumar@linux.intel.com>
 R:	Ricardo Martinez <ricardo.martinez@linux.intel.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-- 
An old man doll... just what I always wanted! - Clara

On Fri, 13 Oct 2023 08:40:08 +0700 Bagas Sanjaya wrote:
> Emails to him bounce with 550 error code:
> 
> ```
> 5.1.0 - Unknown address error 550-'5.1.1 <m.chetan.kumar@linux.intel.com>: Recipient address rejected: User unknown in virtual mailbox table'
> ```
> 
> It looks like he had left Intel, so move him to CREDITS.

The driver was very likely written by an entire team of people.
I wouldn't bother with CREDITS. Also I think you have the entry
in the wrong place. It's alphabetical by surname.

On 14/10/2023 07:48, Jakub Kicinski wrote:
> On Fri, 13 Oct 2023 08:40:08 +0700 Bagas Sanjaya wrote:
>> Emails to him bounce with 550 error code:
>>
>> ```
>> 5.1.0 - Unknown address error 550-'5.1.1 <m.chetan.kumar@linux.intel.com>: Recipient address rejected: User unknown in virtual mailbox table'
>> ```
>>
>> It looks like he had left Intel, so move him to CREDITS.
> 
> The driver was very likely written by an entire team of people.
> I wouldn't bother with CREDITS. Also I think you have the entry
> in the wrong place. It's alphabetical by surname.

Will fix up in the v2, thanks!

-- 
An old man doll... just what I always wanted! - Clara