rework structure

hifive1-vp/hello/bsp/Debug/sources.mk

@@ -0,0 +1,35 @@
+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+C_UPPER_SRCS := 
+CXX_SRCS := 
+C++_SRCS := 
+OBJ_SRCS := 
+CC_SRCS := 
+ASM_SRCS := 
+C_SRCS := 
+CPP_SRCS := 
+O_SRCS := 
+S_UPPER_SRCS := 
+CC_DEPS := 
+C++_DEPS := 
+EXECUTABLES := 
+OBJS := 
+C_UPPER_DEPS := 
+CXX_DEPS := 
+C_DEPS := 
+CPP_DEPS := 
+
+# Every subdirectory with source files must be described here
+SUBDIRS := \
+drivers/fe300prci \
+drivers/plic \
+env \
+env/freedom-e300-arty \
+env/freedom-e300-hifive1 \
+env/iss \
+libwrap/misc \
+libwrap/stdlib \
+libwrap/sys \
+