staging: wilc1000: remove redundant assignment to variable result

The variable result is being initialized with a value that
is never read and is being re-assigned later on. The assignment
is redundant and hence can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200114172720.376286-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/spi.c

@@ -733,7 +733,7 @@ static int spi_internal_read(struct wilc *wilc, u32 adr, u32 *data)
 static int wilc_spi_write_reg(struct wilc *wilc, u32 addr, u32 data)
 {
 	struct spi_device *spi = to_spi_device(wilc->dev);
-	int result = N_OK;
+	int result;
 	u8 cmd = CMD_SINGLE_WRITE;
 	u8 clockless = 0;
 
@@ -782,7 +782,7 @@ static int wilc_spi_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 static int wilc_spi_read_reg(struct wilc *wilc, u32 addr, u32 *data)
 {
 	struct spi_device *spi = to_spi_device(wilc->dev);
-	int result = N_OK;
+	int result;
 	u8 cmd = CMD_SINGLE_READ;
 	u8 clockless = 0;