spi_qsd: Fix Klocwork errors in SPI driver

Signed-off-by: Harini Jayaraman <harinij@codeaurora.org>
diff --git a/drivers/spi/spi_qsd.c b/drivers/spi/spi_qsd.c
index b42ba07..062621d 100644
--- a/drivers/spi/spi_qsd.c
+++ b/drivers/spi/spi_qsd.c
@@ -267,14 +267,14 @@
 	u32                      rx_bytes_remaining;
 	u32                      tx_bytes_remaining;
 	u32                      clock_speed;
-	u32                      irq_in;
+	int                      irq_in;
 	int                      read_xfr_cnt;
 	int                      write_xfr_cnt;
 	int                      write_len;
 	int                      read_len;
 #if defined(CONFIG_SPI_QSD) || defined(CONFIG_SPI_QSD_MODULE)
-	u32                      irq_out;
-	u32                      irq_err;
+	int                      irq_out;
+	int                      irq_err;
 #endif
 	int                      bytes_per_word;
 	bool                     suspended;