[ALSA] Korg1212 updates

KORG1212 driver
This patches covers the following issues:

    - solves double 'spin_lock_irqsave' problems;
    - eliminate the use of deprecated function 'sleep_on_timeout';
    - clarify some 'printk' messages; and
    - logs korg DMA Errors due to PCI congestion.
Signed-off-by: Haroldo Gamal <gamal@alternex.com.br>
Signed-off-by: Takashi Iwai <tiwai@suse.de>