Support MTK_SMI modular

[Yong Wu]

This patchset mainly support MTK_SMI could be modular. No other function add.
The MTK_IOMMU config will be another patchset.

rebase on v5.11-rc1.

Yong Wu (3):
  memory: mtk-smi: Use platform_register_drivers
  memory: mtk-smi: Add module_exit and module_license
  memory: mtk-smi: Switch MTK_SMI to tristate

 drivers/memory/Kconfig     |  2 +-
 drivers/memory/mtk-smi.c   | 33 +++++++++++++++------------------
 include/soc/mediatek/smi.h |  2 +-
 3 files changed, 17 insertions(+), 20 deletions(-)

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2.18.0