omap: mailbox: Adds code changes to support OMAP4 mailbox

This patch adds code changes in the mailbox driver module to
add support for OMAP4 mailbox.

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: C A Subramaniam <subramaniam.ca@ti.com>
Signed-off-by: Ramesh Gupta G <grgupta@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2 files changed