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/tzc/tzc.mk b/drivers/nxp/tzc/tzc.mk
index 830d78e..3fba28f 100644
--- a/drivers/nxp/tzc/tzc.mk
+++ b/drivers/nxp/tzc/tzc.mk
@@ -8,13 +8,11 @@
 
 ADD_TZASC		:= 1
 
-TZASC_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/tzc
-
-PLAT_INCLUDES		+= -I$(TZASC_DRIVERS_PATH)
+PLAT_INCLUDES		+= -I$(PLAT_DRIVERS_INCLUDE_PATH)/tzc
 
 ifeq ($(TZC_ID), TZC400)
 TZASC_SOURCES		+= drivers/arm/tzc/tzc400.c\
-			   $(TZASC_DRIVERS_PATH)/plat_tzc400.c
+			   $(PLAT_DRIVERS_PATH)/tzc/plat_tzc400.c
 else ifeq ($(TZC_ID), NONE)
     $(info -> No TZC present on platform)
 else