parisc: ccio-dma: Handle kmalloc failure in ccio_init_resources()

As the possible failure of the kmalloc(), it should be better
to fix this error path, check and return '-ENOMEM' error code.

Signed-off-by: Li Qiong <liqiong@nfschina.com>
Signed-off-by: Helge Deller <deller@gmx.de>