ARM: mvebu: a38x: move definition of PEX_CFG_DIRECT_ACCESS

PEX_CFG_DIRECT_ACCESS was defined in ddr3_hws_hw_training_def.h despite
only being used in the serdes code. Move this definition to ctrl_pex.h
where all the other PEX defines are. Also remove the duplicate
definition of PEX_DEVICE_AND_VENDOR_ID which is already defined in
ctrl_pex.h.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
index 53ed4ea..3f30b6b 100644
--- a/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
+++ b/arch/arm/mach-mvebu/serdes/a38x/ctrl_pex.h
@@ -46,6 +46,7 @@
 
 /* Controller revision info */
 #define PEX_DEVICE_AND_VENDOR_ID	0x000
+#define PEX_CFG_DIRECT_ACCESS(if, reg)	(PEX_IF_REGS_BASE(if) + (reg))
 
 /* PCI Express Configuration Address Register */
 #define PXCAR_REG_NUM_OFFS		2