Merge tag 'ffa-updates-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sudee...

Arm FF-A updates for v6.12

The main addition this time is the basic support for FF-A v1.2
specification which includes support for newly added:
1. FFA_MSG_SEND_DIRECT_{REQ,RESP}2
2. FFA_PARTITION_INFO_GET_REGS
3. FFA_YIELD support in direct messaging

Apart from these, the changes include support to fetch the Rx/Tx buffer
size using FFA_FEATURES, addition of the FF-A FIDs for v1.2 and some
coding style cleanups.

* tag 'ffa-updates-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_ffa: Fetch the Rx/Tx buffer size using ffa_features()
  firmware: arm_ffa: Add support for FFA_YIELD in direct messaging
  firmware: arm_ffa: Add support for FFA_MSG_SEND_DIRECT_{REQ,RESP}2
  firmware: arm_ffa: Add support for FFA_PARTITION_INFO_GET_REGS
  firmware: arm_ffa: Move the function ffa_features() earlier
  firmware: arm_ffa: Update the FF-A command list with v1.2 additions
  firmware: arm_ffa: Some coding style fixes

Link: https://lore.kernel.org/r/20240830135759.2383431-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>