#include <sys/bus.h> instead of <machine/bus.h>.

use CFATTACH_DECL_NEW, make device in softc type device_t, etc.

in initarm(), remove some bringup debug stuff, and clean up
progress markers; they are still useful for now.
in cpu_reboot() use Gemini Global Reset Control register to reboot system
geminiwdt_reboot

in initarm(), remove some bringup debug stuff, and clean up
progress markers; they are still useful for now.
in cpu_reboot() use Gemini Global Reset Control register to reboot system
geminiwdt_reboot() is no longer needed, removed.

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Add support for Cortina Systems SL3516 eval board.