ALSA: ump: Don't update FB name for static blocks

When a device tries to update the FB name string even if its Endpoint
is declared as static, we should skip it, just already done for the FB
info update reply.

Fixes: 37e0e141

 ("ALSA: ump: Support UMP Endpoint and Function Block parsing")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240722135929.8612-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>