continuation of commit 2ecc2262d66a286e3aac79005bcb5f461312dea8
"net ppc: fix ethernet device names with spaces" (currently in
u-boot-net.git) for QE based parts.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Acked-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>