解耦SLEEP和LPM,LPM在具体API实现,优化GPIOAPI,优化sleep头文件

Change-Id: I7b737054080cb31bf99b6810296fdc40aac925df
diff --git a/mbtk/libmbtk_lib/Makefile b/mbtk/libmbtk_lib/Makefile
index 450bc10..f067400 100755
--- a/mbtk/libmbtk_lib/Makefile
+++ b/mbtk/libmbtk_lib/Makefile
@@ -141,6 +141,7 @@
 # sleep
 LOCAL_SRC_FILES += \
     sleep/mbtk_sleep.c
+
 #wifi
 LOCAL_SRC_FILES += \
     wifi/sta_cli.c \