ldelf: strip PAC from TA addresses

When pointer authentication is enables for TA's, the LR values
saved in the stack will have PAC which must be stripped off
when unwinding the stack.

Signed-off-by

ldelf: strip PAC from TA addresses

When pointer authentication is enables for TA's, the LR values
saved in the stack will have PAC which must be stripped off
when unwinding the stack.

Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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