Merge branch 'mailbox-linux-4.9.y' of git://git.ti.com/rpmsg/mailbox into rproc-linux-4.9.y
Pull in the mailbox feature branch into the remoteproc tree for
adding mailboxes to communicate to the PRU-ICSS PRU cores in
AM33xx, AM43xx and AM57xx SoCs on all applicable TI platforms.
These mailboxes are added for backward compatibility and provides
an alternate mechanism to using PRU System events if a user chooses
to.
* 'mailbox-linux-4.9.y' of git://git.ti.com/rpmsg/mailbox:
ARM: dts: am57xx-idk-common: Enable the system mailboxes 3 and 4
ARM: dts: beagle-x15-common: Enable the system mailboxes 3 and 4
ARM: dts: DRA72x: Add sub-mailbox nodes for all PRUSS1 & PRUSS2
ARM: dts: DRA74x: Add sub-mailbox nodes for all PRUSS1 & PRUSS2
ARM: dts: AM4372: Add PRUSS1 PRU mboxes to mailbox node
ARM: dts: AM33xx: Add PRU mboxes to mailbox node
Signed-off-by: Suman Anna <s-anna@ti.com>