uas: bump hw_max_sectors to 2048 blocks for SS or faster drives

There's no reason for uas to use a smaller value of max_sectors than
usb-storage.

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200903181725.2931-3-tom.ty89@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>