scsi: arm: Avoid comma separated statements

Use semicolons and braces.

Link: https://lore.kernel.org/r/be30bb0f24a5fb4f70ca8ed7027ca7555816a3fb.1598331149.git.joe@perches.com


Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>