[POWERPC] QE: Make qe_get_firmware_info reentrant
The function was returning NULL the second time it was called if the firmware was uploaded from the boot loader or the first time it was called if the firmware was uploaded from the kernel. Signed-off-by: NIonut Nicu <ionut.nicu@freescale.com> Acked-By: NTimur Tabi <timur@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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