[media] cx25821-audio.h: Fix multiline defines

Change column of line continuation character ('\') and fix indent of
multiline defines.
Also line up remaining constant defines.
Signed-off-by: Leonid V. Fedorenchik <leonidsbox@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx25821/cx25821-audio.h

@@ -56,6 +56,7 @@
 #define RISC_NOOP_INSTRUCTION_SIZE	4
 
 #define MAX_AUDIO_DMA_BUFFER_SIZE					\
-(MAX_BUFFER_PROGRAM_SIZE * NUMBER_OF_PROGRAMS + RISC_SYNC_INSTRUCTION_SIZE)
+	(MAX_BUFFER_PROGRAM_SIZE * NUMBER_OF_PROGRAMS +			\
+	 RISC_SYNC_INSTRUCTION_SIZE)
 
 #endif