drm/print: require struct drm_device for drm_err() and friends

The expectation is that the struct drm_device based logging helpers get
passed an actual struct drm_device pointer rather than some random
struct pointer where you can dereference the ->dev member.

Add a static inline helper to convert struct drm_device to struct
device, with the main benefit being the type checking of the macro
argument.

As a side effect, this also reduces macro argument double references.

Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dfe6e774883e6ef93cfaa2b6fe92b804061ab9d9.1737644530.git.jani.nikula@intel.com

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