scsi: Block explicit reset requests to UFS through ioctl

User layer can explicitly reset a host/bus/target/device through ioctl.
Block this path for UFS as it may cause stability issues to UFS.

Change-Id: I18e721f36d4f255139645f986ceb329f40b2fb33
Signed-off-by: Can Guo <cang@codeaurora.org>