Add a sysdev for DBDMA PM. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> To: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/1119/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>