ALSA: oxygen: Xonar DG: fix CS4245 register writes

Accidentally exchanging register addresses and register values leads to
many strange errors ...

Signed-off-by: Clemens Ladisch <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/pci/oxygen/xonar_dg.c

···
 			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
 			 CS4245_SPI_ADDRESS |
 			 CS4245_SPI_WRITE |
-			 (value << 8) | reg);
+			 (reg << 8) | value);
 	data->cs4245_regs[reg] = value;
 }