usb: storage: sddr09: Use const for constant arrays

usb: storage: sddr09: Use const for constant arrays

The nand_flash_ids, inquiry_response, and mode_page_01 arrays are only
read, not modified.

Declaring data as const makes it easier to see what's going on, and can
prevent unintended writes through placement in a read-only section.

Signed-off-by: Jonathan Neuschäfer <j.ne@posteo.net>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20250228-misc-const-v3-7-09b417ded9c4@posteo.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>