powerpc/mpc85xx:Avoid hardcoded init for serdes block 1 & 2

It is not necessary for all processor to have serdes block 1 & 2.
They may have only one serdes block.

So, put serdes block 1 & 2 related code under defines

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Acked-by: York Sun <yorksun@freescale.com>
fsl/usb: Move USB internal phy definitions to fsl_usb.h

fsl_usb.h file created to share data bewteen usb platform code
and usb ip driver. Internal phy structure definitions moved to
this file

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Acked-by: York Sun <yorksun@freescale.com>
powerpc/usb: Depricate usb_phy_type and usb_dr_mode uboot env variables

Remove getting values of usb mode and phy_type from "usb_dr_mode"
and "usb_phy_type" uboot env variables. Now, these are determined
only from hwconfig string

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Acked-by: York Sun <yorksun@freescale.com>
powerpc/c29xpcie: add readme document for c29xpcie

Signed-off-by: Po Liu <Po.Liu@freescale.com>
include/fsl_usb.h: Cleanup license header

Replace license header with SPDX license identifier.
Replace GPL-2.0 with GPL-2.0+.

Signed-off-by: York Sun <yorksun@freescale.com>
Acked-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx