[PATCH] OMAP4: 4430SDP: Keypad: Make keypad_data initdata

Shubhrajyoti D [off-list ref] writes:

The keypad data is accessed only at init so making it initdata.
This removes the section mismatch warning.

Reported-by: Kevin Hilman <redacted>
Signed-off-by: Shubhrajyoti D <redacted>

Acked-by: Kevin Hilman <redacted>

Tony, if it's not too late, this should probably queue for v3.1 so that
it goes in at the same time as the patch that introduces this compile
warning.

Kevin