rng: iProc rng200: Rename ..._platdata variables to just ..._plat

In 8a8d24bd Simon dropped data from all the various _platdata calls
but it seems this wasn't caught for the RNG200 driver from when it
was posted to merged. This fixes that issue.

Fixes: 537f0018 (rng: Add iProc RNG200 driver)
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
1 file changed