arm64: transfer permission indirection settings to EL2

Copy the EL1 registers: TCR2_EL1, PIR_EL1, PIRE0_EL1, such that PIE
is also enabled for EL2.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20230606145859.697944-18-joey.gouly@arm.com


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>