MAINTAINERS: Update i2c host drivers repository

The i2c host patches are now set to be merged into the following
repository:

git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git



Cc: Wolfram Sang <wsa@kernel.org>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>