imx/mach-mx2: use constants namespaced by the corresponding SOC (easy part)

This just leaves devices.c, generic.c and serial.c to clean up.  As
these files are used on more than one SOC they need some more work.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: Rabin Vincent <rabin@rab.in>
Cc: Javier Martin <javier.martin@vista-silicon.com>
Cc: Valentin Longchamp <valentin.longchamp@epfl.ch>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Eric Benard <eric@eukrea.com>
Cc: Ivo Clarysse <ivo.clarysse@gmail.com>
Cc: Vladimir Barinov <vbarinov@embeddedalley.com>
Cc: Daniel Schaeffer <daniel.schaeffer@timesys.com>
Cc: Simon POLETTE <spolette@adnlysd018.(none)>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Alan Carvalho de Assis <acassis@gmail.com>
Cc: Luotao Fu <l.fu@pengutronix.de>
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index 3cb7f45..60d5446 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -190,8 +190,8 @@
 
 static struct resource pcm970_sja1000_resources[] = {
 	{
-		.start   = CS4_BASE_ADDR,
-		.end     = CS4_BASE_ADDR + 0x100 - 1,
+		.start   = MX27_CS4_BASE_ADDR,
+		.end     = MX27_CS4_BASE_ADDR + 0x100 - 1,
 		.flags   = IORESOURCE_MEM,
 	}, {
 		.start   = IRQ_GPIOE(19),