ASoC: sirf: remove duplicated bit-wise or of USP_RXFIFO_THD_INT

Bit pattern USP_RXFIFO_THD_INT is being bit-wise or'd twice;
remove the redundant 2nd USP_RXFIFO_THD_INT

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sirf/sirf-usp.h

@@ -154,7 +154,7 @@
 					USP_RX_IO_DMA_INT|\
 					USP_RXFIFO_FULL_INT|\
 					USP_RXFIFO_THD_INT|\
-					USP_RXFIFO_THD_INT|USP_RX_TIMEOUT_INT)
+					USP_RX_TIMEOUT_INT)
 
 #define USP_INT_ALL        0x1FFF