lm3554: rename of few types

lm3554: rename of few types

BZ: 32196

This patch renames few types as follows
	struct lm3554_priv	-> struct lm3554
	p_lm3554_priv		-> flash
	to_lm3554_priv()	-> to_lm3554()
	platform_data		-> pdata

There is no functional change.

Change-Id: I0dc8a133f1ef90fb666d9dbd2b970cf9f8009103
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-on: http://android.intel.com:8080/43704
Reviewed-by: Shevchenko, Andriy <andriy.shevchenko@intel.com>
Reviewed-by: Toivonen, Tuukka <tuukka.toivonen@intel.com>
Reviewed-by: Cohen, David A <david.a.cohen@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>