MAINTAINERS: add Pratyush as a reviewer for KHO

MAINTAINERS: add Pratyush as a reviewer for KHO

I have been reviewing most patches for KHO already, and it is easier to
spot them if I am directly in Cc.

Link: https://lkml.kernel.org/r/20251105102022.18798-1-pratyush@kernel.org
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Alexander Graf <graf@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>