Doc: Update out-dated info about Juno's mailbox
Since commit 804040d106, the Juno port has moved from per-CPU mailboxes
to a single shared one. This patch updates an out-dated reference to
the former per-CPU mailboxes mechanism in the Firmware Design.
Change-Id: I355b54156b1ace1b3df4c4416e1e8625211677fc
diff --git a/docs/firmware-design.md b/docs/firmware-design.md
index 7ae1de3..d0cb399 100644
--- a/docs/firmware-design.md
+++ b/docs/firmware-design.md
@@ -1204,9 +1204,9 @@
Trusted SRAM. The amount of Trusted SRAM available to load the bootloader
images is reduced by the size of the shared memory.
- The shared memory is used to store the entrypoint mailboxes for each CPU.
- On Juno, this is also used for the MHU payload when passing messages to and
- from the SCP.
+ The shared memory is used to store the CPUs' entrypoint mailbox. On Juno,
+ this is also used for the MHU payload when passing messages to and from the
+ SCP.
* On FVP, BL1 is originally sitting in the Trusted ROM at address `0x0`. On
Juno, BL1 resides in flash memory at address `0x0BEC0000`. BL1 read-write