refactor: moved drivers hdr files to include/drivers/nxp

NXP drivers header files are moved:
  - from:  drivers/nxp/<xx>/*.h
  - to  :  include/drivers/nxp/<xx>/*.h

To accommodate these changes each drivers makefiles
drivers/nxp/<xx>/xx.mk, are updated.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I3979c509724d87e3d631a03dbafda1ee5ef07d21
diff --git a/drivers/nxp/ddr/fsl-mmdc/ddr.mk b/drivers/nxp/ddr/fsl-mmdc/ddr.mk
index e6cc7c1..afccb62 100644
--- a/drivers/nxp/ddr/fsl-mmdc/ddr.mk
+++ b/drivers/nxp/ddr/fsl-mmdc/ddr.mk
@@ -9,11 +9,11 @@
 
 DDR_DRIVERS_PATH	:=	drivers/nxp/ddr
 
-DDR_CNTLR_SOURCES	:=	${DDR_DRIVERS_PATH}/fsl-mmdc/fsl_mmdc.c \
-				${DDR_DRIVERS_PATH}/nxp-ddr/utility.c	\
-				${DDR_DRIVERS_PATH}/nxp-ddr/ddr.c	\
-				${DDR_DRIVERS_PATH}/nxp-ddr/ddrc.c
+DDR_CNTLR_SOURCES	:=	${PLAT_DRIVERS_PATH}/ddr/fsl-mmdc/fsl_mmdc.c \
+				${PLAT_DRIVERS_PATH}/ddr/nxp-ddr/utility.c	\
+				${PLAT_DRIVERS_PATH}/ddr/nxp-ddr/ddr.c	\
+				${PLAT_DRIVERS_PATH}/ddr/nxp-ddr/ddrc.c
 
-PLAT_INCLUDES		+=	-I$(DDR_DRIVERS_PATH)/include	\
-				-I$(DDR_DRIVERS_PATH)/fsl-mmdc
+PLAT_INCLUDES		+=	-I$(PLAT_DRIVERS_INCLUDE_PATH)/ddr	\
+				-I$(PLAT_DRIVERS_INCLUDE_PATH)/ddr/fsl-mmdc
 #------------------------------------------------