FROMGIT: arm64: Add TRFCR_ELx definitions

Add definitions for the Arm v8.4 SelfHosted trace extensions registers.

[ split the register definitions to separate patch
  rename some of the symbols ]

Link: https://lore.kernel.org/r/20210110224850.1880240-28-suzuki.poulose@arm.com


Cc: Will Deacon <will@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jonathan Zhou <jonathan.zhouwen@huawei.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210201181351.1475223-30-mathieu.poirier@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 4b6929f5
https: //git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git next)
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Change-Id: I1feeec0c65cb8d7a6c31660dabca479d03102886