Add the required definition for the 806 MHz CPU clock (L_VAL_806MHz).
Update pll_init_and_set by removing the static qualifier so it can be
invoked from the mainboard code.
Test: Built image.serial.bin and verified successful boot on X1P42100.
Change-Id: I8871f6cd64cb386c1042ce42feec4c623e9804e9
Signed-off-by: Kirubakaran E <kirue@qualcomm.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91722
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>