include/package.mk: Add support for src-checkout/ folder
-rw-r--r-- 253 Kbuild
drwxr-xr-x - acpi
drwxr-xr-x - asm-generic
drwxr-xr-x - crypto
drwxr-xr-x - drm
drwxr-xr-x - keys
drwxr-xr-x - linux
drwxr-xr-x - math-emu
drwxr-xr-x - media
drwxr-xr-x - misc
drwxr-xr-x - mtd
drwxr-xr-x - net
drwxr-xr-x - pcmcia
drwxr-xr-x - rdma
drwxr-xr-x - rxrpc
drwxr-xr-x - scsi
drwxr-xr-x - sound
drwxr-xr-x - target
drwxr-xr-x - trace
drwxr-xr-x - video
drwxr-xr-x - xen