usb: storage: ene_ub6250: Fix right shift warnings

usb: storage: ene_ub6250: Fix right shift warnings

Change bl_len from u16 to u32 to accommodate the necessary bit shifts.

Fix the following smatch warnings:

drivers/usb/storage/ene_ub6250.c:1509 ms_scsi_read_capacity() warn:
right shifting more than type allows 16 vs 24
drivers/usb/storage/ene_ub6250.c:1510 ms_scsi_read_capacity() warn:
right shifting more than type allows 16 vs 16

Signed-off-by: Abhishek Tamboli <abhishektamboli9@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240912145247.15544-1-abhishektamboli9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>