Fix to allow compiling outside of the source tree, ie. the correct way
/arch/sh/drivers
-rw-r--r-- Kconfig
-rw-r--r-- Makefile
drwxr-xr-x dma
-rw-r--r-- heartbeat.c
drwxr-xr-x pci
-rw-r--r-- push-switch.c
drwxr-xr-x superhyway