scsi: ch: Do not initialise statics to 0

Link: https://lore.kernel.org/r/20220720195229.9109-1-gaoxin@cdjrlc.com


Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>