powerpc/64s/interrupt: Fix stack frame regs marker

The value of the stack frame regs marker that gets saved on the stack in
interrupt entry code does not match the regs marker value, which breaks
stack frame marker matching.

This stray instruction looks to have been introduced in a mismerge.

Fixes: bf75a325 ("powerpc/64s/interrupt: move early boot ILE fixup into a macro")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Mismerge by yours truly -_-]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221004132952.984341-1-npiggin@gmail.com