raspberrypi inclusion
category: feature
bugzilla: 50432

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Signed-off-by: NLuke Wren <wren6991@gmail.com>

MISC: bcm2835: smi: use clock manager and fix reload issues

Use clock manager instead of self-made clockmanager.

Also fix some error paths that showd up during development
(especially missing release of dma resources on rmmod)
Signed-off-by: NMartin Sperl <kernel@martin.sperl.org>

bcm2835_smi: re-add dereference to fix DMA transfers
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>