arch: arm: core: aarch32: limit ACTLR register access to Cortex-R
arch: arm: core: aarch32: limit ACTLR register access to Cortex-R

The configuration bits ATCMPCEN, B0TCMPCEN and B1TCMPCEN in the ACTLR
register referenced in the function z_arm_tcm_disable_ecc are only de-
fined for Cortex-R CPUs. For Cortex-A CPUs, those bits are declared
as reserved.

Comp.: https://arm-software.github.io/CMSIS_5/Core_A/html/group__CMSIS__ACTLR.html

Signed-off-by: Immo Birnbaum <9d53277017f7b972042afc81794f782b84cac388@weidmueller.com>

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