rockchip: puma-rk3399: MAINTAINERS: use glob for dtses

There are multiple Device Trees in U-Boot git repo for Puma, so let's
make the MAINTAINERS entry match them all.

Cc: Quentin Schulz <foss+uboot@0leil.net>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
1 file changed