ARM: pxa: fix typo 'CONFIG_SPI_PXA2XX_MASTER'

CONFIG_SPI_PXA2XX_MASTER was used were it was surely meant to use
CONFIG_SPI_PXA2XX_MODULE. Use the IS_ENABLED() macro here, as it guards
against typos like this one.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 91dd1c7..06022b2 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -514,7 +514,7 @@
 	.gpio_pullup		= CORGI_GPIO_USB_PULLUP,
 };
 
-#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
+#if IS_ENABLED(CONFIG_SPI_PXA2XX)
 static struct pxa2xx_spi_master corgi_spi_info = {
 	.num_chipselect	= 3,
 };