[PATCH v1 2/2] aarch64: enable Permission Indirection Extension

[Mark Brown]

On Fri, Mar 10, 2023 at 05:36:57PM +0000, Joey Gouly wrote:

> +	if (mrs_field(ID_AA64MMFR3_EL1, S1PIE))
> +		scr |= SCR_EL3_PIEN;
> +

This is needed for all of S[12]_{PIE,POE} - the rest could be added
incrementally of course.
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