drm/amd/display: Fix default logger mask definition

[Why]
Logger mask was updated to uint64_t, however default mask definition was
not updated for unsigned long long

[How]
Update DC_DEFAULT_LOG_MASK to support uint64_t type

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>