ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 3c0c933..5d23c13 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -2,15 +2,8 @@
 # Makefile for the Linux ACPI interpreter
 #
 
-export ACPI_CFLAGS
-
-ACPI_CFLAGS	:= -Os
-
-ifdef CONFIG_ACPI_DEBUG
-  ACPI_CFLAGS	+= -DACPI_DEBUG_OUTPUT
-endif
-
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
+ccflags-y			:= -Os
+ccflags-$(CONFIG_ACPI_DEBUG)	+= -DACPI_DEBUG_OUTPUT
 
 #
 # ACPI Boot-Time Table Parsing
@@ -22,9 +15,13 @@
 # ACPI Core Subsystem (Interpreter)
 #
 obj-y				+= osl.o utils.o reboot.o\
-				   dispatcher/ events/ executer/ hardware/ \
-				   namespace/ parser/ resources/ tables/ \
-				   utilities/
+					acpica/
+
+# sleep related files
+obj-y				+= wakeup.o
+obj-y				+= main.o
+obj-$(CONFIG_ACPI_SLEEP)	+= proc.o
+
 
 #
 # ACPI Bus and Device Drivers
@@ -35,7 +32,6 @@
 processor-objs	+= processor_perflib.o
 endif
 
-obj-y				+= sleep/
 obj-y				+= bus.o glue.o
 obj-y				+= scan.o
 # Keep EC driver first. Initialization of others depend on it.