include/package.mk: Add support for src-checkout/ folder
-rw-r--r-- 469 Kbuild
drwxr-xr-x - asm-generic
drwxr-xr-x - drm
drwxr-xr-x - linux
drwxr-xr-x - misc
drwxr-xr-x - mtd
drwxr-xr-x - rdma
drwxr-xr-x - scsi
drwxr-xr-x - sound
drwxr-xr-x - video
drwxr-xr-x - xen