firmware: arm_ffa: Fix the missing entry in struct ffa_indirect_msg_hdr

JIRA: https://issues.redhat.com/browse/RHEL-102692

commit 4c46a47
Author: Viresh Kumar <viresh.kumar@linaro.org>
Date: Tue, 3 Jun 2025 16:38:53 +0530

    As per the spec, one 32 bit reserved entry is missing here, add it.

    Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
    Fixes: 910cc1a ("firmware: arm_ffa: Add support for passing UUID in FFA_MSG_SEND2")
    Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
    Message-Id: <28a624fbf416975de4fbe08cfbf7c2db89cb630e.1748948911.git.viresh.kumar@linaro.org>
    Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Signed-off-by: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>
Message-ID: <dc0d9b32c64deaf526619992f223b80875b95d8e.1752653152.git.mjuszkiewicz@redhat.com>
Message-ID: <d749ff6dcdfd62c9923565508093b685d783a3fd.1752659027.git.mjuszkiewicz@redhat.com>

Author: hrw

include/linux/arm_ffa.h

@@ -275,6 +275,7 @@ struct ffa_indirect_msg_hdr {
 	u32 offset;
 	u32 send_recv_id;
 	u32 size;
+	u32 res1;
 	uuid_t uuid;
 };