spi: qup: Fix build error due to a typo

Fix below build error when CONFIG_PM_RUNTIME=y:

C [M]  drivers/spi/spi-qup.o
drivers/spi/spi-qup.c: In function 'spi_qup_pm_suspend_runtime':
drivers/spi/spi-qup.c:712:12: error: 'QUP_CLOCK_AUTO_GATE' undeclared (first use in this function)
drivers/spi/spi-qup.c:712:12: note: each undeclared identifier is reported only once for each function it appears in
drivers/spi/spi-qup.c: In function 'spi_qup_pm_resume_runtime':
drivers/spi/spi-qup.c:725:13: error: 'QUP_CLOCK_AUTO_GATE' undeclared (first use in this function)
make[2]: *** [drivers/spi/spi-qup.o] Error 1
make[1]: *** [drivers/spi] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/spi/spi-qup.c

@@ -709,7 +709,7 @@ static int spi_qup_pm_suspend_runtime(struct device *device)
 
 	/* Enable clocks auto gaiting */
 	config = readl(controller->base + QUP_CONFIG);
-	config |= QUP_CLOCK_AUTO_GATE;
+	config |= QUP_CONFIG_CLOCK_AUTO_GATE;
 	writel_relaxed(config, controller->base + QUP_CONFIG);
 	return 0;
 }
@@ -722,7 +722,7 @@ static int spi_qup_pm_resume_runtime(struct device *device)
 
 	/* Disable clocks auto gaiting */
 	config = readl_relaxed(controller->base + QUP_CONFIG);
-	config &= ~QUP_CLOCK_AUTO_GATE;
+	config &= ~QUP_CONFIG_CLOCK_AUTO_GATE;
 	writel_relaxed(config, controller->base + QUP_CONFIG);
 	return 0;
 }