Input: synaptics-rmi4 - fix SPI device ID

Currently, the ID being set to "rmi4_spi" causes this warning:
"SPI driver rmi4_spi has no spi_device_id for syna,rmi4-spi"

Change the ID to rmi4-spi to stop this warning.
Signed-off-by: Rayyan Ansari <rayyan@ansari.sh>
Link: https://lore.kernel.org/r/20221219133717.1638496-1-rayyan@ansari.shSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/rmi4/rmi_spi.c

@@ -505,7 +505,7 @@ static const struct dev_pm_ops rmi_spi_pm = {
 };
 
 static const struct spi_device_id rmi_id[] = {
-	{ "rmi4_spi", 0 },
+	{ "rmi4-spi", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, rmi_id);