arm: mach-mx3: use IMX_GPIO_NR instead of hard-coded values

The latter are error-prone because the bank number is one less than one
would read in the documentation.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Eric Benard <eric@eukrea.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx3/mach-cpuimx35.c b/arch/arm/mach-mx3/mach-cpuimx35.c
index 6db0520..a42f1a9 100644
--- a/arch/arm/mach-mx3/mach-cpuimx35.c
+++ b/arch/arm/mach-mx3/mach-cpuimx35.c
@@ -60,7 +60,7 @@
 	.x_plate_ohms		= 180,
 };
 
-#define TSC2007_IRQGPIO		(2 * 32 + 2)
+#define TSC2007_IRQGPIO		IMX_GPIO_NR(3, 2)
 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("pcf8563", 0x51),