powerpc/mpc85xx: expand SERDES reference clock select bit

Expand the reference clock select to three bits
000: 100 MHz
001: 125 MHz
010: 156.25MHz
011: 150 MHz
100: 161.1328125 MHz
All others reserved

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
1 file changed