drivers: display: ili9xxx: do not delay for reset unless supported

Check the return code of mipi_dbi_reset, and do not delay for the reset
wait time unless the mipi controller has issued a hardware reset to the
display.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>

drivers/display/display_ili9xxx.c

@@ -48,7 +48,9 @@ static void ili9xxx_hw_reset(const struct device *dev)
 {
 	const struct ili9xxx_config *config = dev->config;
 
-	mipi_dbi_reset(config->mipi_dev, ILI9XXX_RESET_PULSE_TIME);
+	if (mipi_dbi_reset(config->mipi_dev, ILI9XXX_RESET_PULSE_TIME) < 0) {
+		return;
+	};
 	k_sleep(K_MSEC(ILI9XXX_RESET_WAIT_TIME));
 }