BL31: Use helper function to save registers in SMC handler #1710
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Use the helper function
save_gp_registersto save the registerstate to cpu_context on entry to EL3 in SMC handler. This has the
effect of saving x0 - x3 as well into the cpu_context which was
not done previously but it unifies the register save sequence
in BL31.
Change-Id: I5753c942263a5f9178deda3dba896e3220f3dd83
Signed-off-by: Soby Mathew soby.mathew@arm.com