In order to call into the firmware to apply workarounds, it is
useful to find out whether we're using HVC or SMC. Let's expose
this through the psci_ops.
Acked-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: NRobin Murphy <robin.murphy@arm.com>
Tested-by: NArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>