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This patch adds support for the newer platform handler functions. Commit
I6db74b020b141048b6b8c03e1bef7ed8f72fd75b merges the upstream code which
has already moved all the upstream supported platforms over to these
handler functions.

Change-Id: I621eff038f3c0dc1b90793edcd4dd7c71b196045
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>