soc: sunxi: sram: Fix debugfs info for A64 SRAM C

The labels were backward with respect to the register values. The SRAM
is mapped to the CPU when the register value is 1.

Fixes: 5e4fb642

 ("drivers: soc: sunxi: add support for A64 and its SRAM C")
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220815041248.53268-7-samuel@sholland.org