Several fixes for open1788 SDCARD DMA

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5803 42af7a65-404d-4744-a932-0658087f49c3
Several fixes for open1788 SDCARD DMA (more files)

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5804 42af7a65-404d-4744-a932-0658087f49c3