spi: rspi: fix build error when CONFIG_OF is not set

This patch fixes an issue that the following build error happens when
the CONFIG_OF is not set:

drivers/spi/spi-rspi.c: In function 'rspi_probe':
drivers/spi/spi-rspi.c:1203:26: error: 'rspi_of_match' undeclared (first use in this function)

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 34ad4bca8a41..e5cfc3d77b8c 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -1164,6 +1164,7 @@ static int rspi_parse_dt(struct device *dev, struct spi_master *master)
         return 0;
 }
 #else
+#define rspi_of_match   NULL
 static inline int rspi_parse_dt(struct device *dev, struct spi_master *master)
 {
         return -EINVAL;