armv8: ls2080a: Implement workaround for core errata 829520, 833471
829520: Code bounded by indirect conditional branch might corrupt instruction stream. Workaround: Set CPUACTLR_EL1[4] = 1'b1 to disable the Indirect Predictor. 833471: VMSR FPSCR functional failure or deadlock. Workaround: Set CPUACTLR[38] to 1, which forces FPSCR write flush. Signed-off-by: NAshish Kumar <Ashish.Kumar@nxp.com> Reviewed-by: NYork Sun <york.sun@nxp.com>
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