[PATCH] psci: fix use of clobbered registers in asm

[Tom Rini]

On Sat, May 27, 2023 at 06:09:42PM -0600, Sam Edwards wrote:

> The functions `psci_get_context_id` and `psci_get_target_pc`
> are written in C, so the C compiler may clobber registers r0-r3.
> Do not use these registers to save data across calls.
> 
> Signed-off-by: Sam Edwards <CFSworks at gmail.com>

Applied to u-boot/next, thanks!

-- 
Tom
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