Switch the kernel tree for keystone to the consolidated ti tree and add
myself as primary maintainer for keystone platforms to offset Santosh's
workload.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Link: https://lore.kernel.org/r/20211123001725.21422-1-nm@ti.com

'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>