MAINTAINERS: Use my kernel.org address for I2C ACPI work

Switch to use my kernel.org address for I2C ACPI work.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Author: westeri

MAINTAINERS

@@ -10822,7 +10822,7 @@ S:	Odd Fixes
 F:	drivers/tty/hvc/
 
 I2C ACPI SUPPORT
-M:	Mika Westerberg <mika.westerberg@linux.intel.com>
+M:	Mika Westerberg <westeri@kernel.org>
 L:	linux-i2c@vger.kernel.org
 L:	linux-acpi@vger.kernel.org
 S:	Maintained