Correct SPL use of ARCH_VERSAL

This converts 1 usage of this option to the non-SPL form, since there is
no SPL_ARCH_VERSAL defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index a424935..c7f10c5 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -249,7 +249,7 @@
 
 	priv->wr_delay = 50 * DIV_ROUND_UP(NSEC_PER_SEC, priv->ref_clk_hz);
 
-	if (CONFIG_IS_ENABLED(ARCH_VERSAL)) {
+	if (IS_ENABLED(CONFIG_ARCH_VERSAL)) {
 		/* Versal platform uses spi calibration to set read delay */
 		if (priv->read_delay >= 0)
 			priv->read_delay = -1;