This moves the vortex86ex cpu's pll configuration out of the mainboard and into the cpu's Kconfig. Change-Id: I72ee1baa3a96586fceff03ff43c5f61e2498667e Signed-off-by: Martin Roth <gaumless@gmail.com> Reviewed-on: http://review.coreboot.org/9058 Tested-by: build bot (Jenkins) Reviewed-by: Andrew Wu <arw@dmp.com.tw> Reviewed-by: Marc Jones <marc.jones@se-eng.com>