mailbox: pcc: Add support for PCCT extended PCC subspaces(type 3/4)

mainline inclusion
from mainline-v5.16-rc1
commit c45ded7e
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6Z91B
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.3-rc2&id=c45ded7e11352d7ba0bfe3cbf2625f96f94c7d92



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With all the plumbing in place to avoid accessing PCCT type and other
fields directly from the PCCT table all the time, let us now add the
support for extended PCC subspaces(type 3 and 4).

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>