build: run assmebler with debug output

Makefile

 
 CXXFLAGS = -std=gnu++11 -lstdc++ $(CFLAGS) $(do-sys-includes)
 CFLAGS = $(autodepend) -g -Wall -Wno-pointer-arith
+ASFLAGS = -g
 
 sys-includes = $(jdkbase)/include $(jdkbase)/include/linux
 autodepend = -MD $(@.o=.d) -MT $@