spi: slave-system-control: switch to use spi_target_abort()

Switch to use modern name function spi_target_abort().

No functional changed.

Signed-off-by: Yang Yingliang <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-slave-system-control.c

···
 {
 	struct spi_slave_system_control_priv *priv = spi_get_drvdata(spi);
 
-	spi_slave_abort(spi);
+	spi_target_abort(spi);
 	wait_for_completion(&priv->finished);
 }