global: Migrate CONFIG_PCIE_IMX_POWER_GPIO to CFG

Perform a simple rename of CONFIG_PCIE_IMX_POWER_GPIO to CFG_PCIE_IMX_POWER_GPIO

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 116a9c6..1aa8a56 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -21,7 +21,7 @@
 
 #ifdef CONFIG_CMD_PCI
 #define CFG_PCIE_IMX_PERST_GPIO	IMX_GPIO_NR(7, 12)
-#define CONFIG_PCIE_IMX_POWER_GPIO	IMX_GPIO_NR(3, 19)
+#define CFG_PCIE_IMX_POWER_GPIO	IMX_GPIO_NR(3, 19)
 #endif
 
 /* PMIC */