Add structure for common pre- and post-reset tasks

Kbuild

@@ -0,0 +1,10 @@
+obj-m += vendor-reset.o
+
+include $(src)/src/Makefile
+include $(src)/src/amd/Makefile
+
+ccflags-y += \
+  -I$(src)/include -g
+ldflags-$(CONFIG_DEBUG) += -g
+
+subdir-y += userspace/