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/pmu/pmu.mk b/drivers/nxp/pmu/pmu.mk
index 56b0422..8d2ef07 100644
--- a/drivers/nxp/pmu/pmu.mk
+++ b/drivers/nxp/pmu/pmu.mk
@@ -8,11 +8,9 @@
 
 PMU_ADDED		:= 1
 
-PMU_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/pmu
+PLAT_INCLUDES		+= -I$(PLAT_DRIVERS_INCLUDE_PATH)/pmu
 
-PLAT_INCLUDES		+= -I$(PMU_DRIVERS_PATH)
-
-PMU_SOURCES		+= $(PMU_DRIVERS_PATH)/pmu.c
+PMU_SOURCES		+= $(PLAT_DRIVERS_PATH)/pmu/pmu.c
 
 ifeq (${BL_COMM_PMU_NEEDED},yes)
 BL_COMMON_SOURCES	+= ${PMU_SOURCES}