MAINTAINERS: Update Saravana Kannan's email address

I've switched employers. Updating email address to be employer-agnostic and
remain reachable. Also updating mailmap so all my previous emails map to
this new one.

Signed-off-by: Saravana Kannan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>

Author: Saravana Kannan

.mailmap

@@ -704,6 +704,8 @@ Sankeerth Billakanti <[email protected]> <[email protected]>
 Santosh Shilimkar <[email protected]>
 Santosh Shilimkar <[email protected]>
 Sarangdhar Joshi <[email protected]>
+Saravana Kannan <[email protected]> <[email protected]>
+Saravana Kannan <[email protected]> <[email protected]>
 Sascha Hauer <[email protected]>
 Sahitya Tummala <[email protected]> <[email protected]>
 Sathishkumar Muruganandam <[email protected]> <[email protected]>

MAINTAINERS

@@ -6532,7 +6532,7 @@ F:	rust/kernel/cpufreq.rs
 F:	tools/testing/selftests/cpufreq/
 
 CPU FREQUENCY DRIVERS - VIRTUAL MACHINE CPUFREQ
-M:	Saravana Kannan <saravanak@google.com>
+M:	Saravana Kannan <saravanak@kernel.org>
 L:	[email protected]
 S:	Maintained
 F:	drivers/cpufreq/virtual-cpufreq.c
@@ -7170,7 +7170,7 @@ F:	drivers/base/devcoredump.c
 F:	include/linux/devcoredump.h
 
 DEVICE DEPENDENCY HELPER SCRIPT
-M:	Saravana Kannan <saravanak@google.com>
+M:	Saravana Kannan <saravanak@kernel.org>
 L:	[email protected]
 S:	Maintained
 F:	scripts/dev-needs.sh
@@ -19544,7 +19544,7 @@ F:	include/linux/oa_tc6.h
 
 OPEN FIRMWARE AND FLATTENED DEVICE TREE
 M:	Rob Herring <[email protected]>
-M:	Saravana Kannan <saravanak@google.com>
+M:	Saravana Kannan <saravanak@kernel.org>
 L:	[email protected]
 S:	Maintained
 Q:	http://patchwork.kernel.org/project/devicetree/list/