drm/amd/display: Change amdgpu_dm_irq_resume_*() to use drm_dbg()

drm_dbg() is helpful to show which device had the debug statement.
Adjust to using this instead for debug messages.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>