m68k/atari: Implement arch_nvram_ops methods and enable CONFIG_HAVE_ARCH_NVRAM_OPS

Atari RTC NVRAM uses a checksum so implement the remaining arch_nvram_ops
methods for the set_checksum and initialize ioctls. Enable
CONFIG_HAVE_ARCH_NVRAM_OPS.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index 4cfb6de48f79..87393fb8141c 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -701,6 +701,9 @@ config HAVE_ARCH_HASH
           file which provides platform-specific implementations of some
           functions in <linux/hash.h> or fs/namei.c.
 
+config HAVE_ARCH_NVRAM_OPS
+        bool
+
 config ISA_BUS_API
         def_bool ISA