Try to parse the UMP Endpoint and UMP Function Blocks for building the
topology at first.  Only when those are missing (e.g. on an older USB
MIDI 2.0 spec or a unidirectional endpoint), the driver still creates
blocks based on USB group terminal block information as fallback.

Link: https://lore.kernel.org/r/20230612081054.17200-4-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>